88943920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{85523}}^1$

素因数の和:85549

約数の個数: 40

約数和(自身を含む): 222704496

約数和(自身を除く): 133760576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 85523, 171046, 342092, 427615, 684184, 855230, 1111799, 1368368, 1710460, 2223598, 3420920, 4447196, 5558995, 6841840, 8894392, 11117990, 17788784, 22235980, 44471960, 88943920]

約数ペア:

[(1, 88943920), (2, 44471960), (4, 22235980), (5, 17788784), (8, 11117990), (10, 8894392), (13, 6841840), (16, 5558995), (20, 4447196), (26, 3420920), (40, 2223598), (52, 1710460), (65, 1368368), (80, 1111799), (104, 855230), (130, 684184), (208, 427615), (260, 342092), (520, 171046), (1040, 85523)]