72557680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69767}}^1$

素因数の和:69793

約数の個数: 40

約数和(自身を含む): 181675872

約数和(自身を除く): 109118192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69767, 139534, 279068, 348835, 558136, 697670, 906971, 1116272, 1395340, 1813942, 2790680, 3627884, 4534855, 5581360, 7255768, 9069710, 14511536, 18139420, 36278840, 72557680]

約数ペア:

[(1, 72557680), (2, 36278840), (4, 18139420), (5, 14511536), (8, 9069710), (10, 7255768), (13, 5581360), (16, 4534855), (20, 3627884), (26, 2790680), (40, 1813942), (52, 1395340), (65, 1116272), (80, 906971), (104, 697670), (130, 558136), (208, 348835), (260, 279068), (520, 139534), (1040, 69767)]