8712080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8377}}^1$

素因数の和:8403

約数の個数: 40

約数和(自身を含む): 21816312

約数和(自身を除く): 13104232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8377, 16754, 33508, 41885, 67016, 83770, 108901, 134032, 167540, 217802, 335080, 435604, 544505, 670160, 871208, 1089010, 1742416, 2178020, 4356040, 8712080]

約数ペア:

[(1, 8712080), (2, 4356040), (4, 2178020), (5, 1742416), (8, 1089010), (10, 871208), (13, 670160), (16, 544505), (20, 435604), (26, 335080), (40, 217802), (52, 167540), (65, 134032), (80, 108901), (104, 83770), (130, 67016), (208, 41885), (260, 33508), (520, 16754), (1040, 8377)]