숫자 19800320
소인수분해
소인수분해 | 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 5 * 31 * 499 |
약수 | 1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 499, 620, 640, 992, 998, 1240, 1280, 1984, 1996, 2480, 2495, 3968, 3992, 4960, 4990, 7936, 7984, 9920, 9980, 15469, 15968, 19840, 19960, 30938, 31936, 39680, 39920, 61876, 63872, 77345, 79840, 123752, 127744, 154690, 159680, 247504, 309380, 319360, 495008, 618760, 638720, 990016, 1237520, 1980032, 2475040, 3960064, 4950080, 9900160, 19800320 |
약수의 개수 | 72 |
약수의 합 | 49056000 |
성질
표기
바이너리 | 1001011100010000100000000 |
8진수 | 113420400 |
16진수 | 12e2100 |