13237640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25457}}^1$

素因数の和:25481

約数の個数: 32

約数和(自身を含む): 32077080

約数和(自身を除く): 18839440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 25457, 50914, 101828, 127285, 203656, 254570, 330941, 509140, 661882, 1018280, 1323764, 1654705, 2647528, 3309410, 6618820, 13237640]

約数ペア:

[(1, 13237640), (2, 6618820), (4, 3309410), (5, 2647528), (8, 1654705), (10, 1323764), (13, 1018280), (20, 661882), (26, 509140), (40, 330941), (52, 254570), (65, 203656), (104, 127285), (130, 101828), (260, 50914), (520, 25457)]