3877640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7457}}^1$

素因数の和:7481

約数の個数: 32

約数和(自身を含む): 9397080

約数和(自身を除く): 5519440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 7457, 14914, 29828, 37285, 59656, 74570, 96941, 149140, 193882, 298280, 387764, 484705, 775528, 969410, 1938820, 3877640]

約数ペア:

[(1, 3877640), (2, 1938820), (4, 969410), (5, 775528), (8, 484705), (10, 387764), (13, 298280), (20, 193882), (26, 149140), (40, 96941), (52, 74570), (65, 59656), (104, 37285), (130, 29828), (260, 14914), (520, 7457)]