31001080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70457}}^1$

素因数の和:70479

約数の個数: 32

約数和(自身を含む): 76094640

約数和(自身を除く): 45093560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 70457, 140914, 281828, 352285, 563656, 704570, 775027, 1409140, 1550054, 2818280, 3100108, 3875135, 6200216, 7750270, 15500540, 31001080]

約数ペア:

[(1, 31001080), (2, 15500540), (4, 7750270), (5, 6200216), (8, 3875135), (10, 3100108), (11, 2818280), (20, 1550054), (22, 1409140), (40, 775027), (44, 704570), (55, 563656), (88, 352285), (110, 281828), (220, 140914), (440, 70457)]