3969696560

素因数分解:

$2^4\times 5^1\times {\mathrm{49621207}}^1$

素因数の和:49621220

約数の個数: 20

約数和(自身を含む): 9229544688

約数和(自身を除く): 5259848128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49621207, 99242414, 198484828, 248106035, 396969656, 496212070, 793939312, 992424140, 1984848280, 3969696560]

約数ペア:

[(1, 3969696560), (2, 1984848280), (4, 992424140), (5, 793939312), (8, 496212070), (10, 396969656), (16, 248106035), (20, 198484828), (40, 99242414), (80, 49621207)]