8881210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1289}}^1$

素因数の和:1362

約数の個数: 32

約数和(自身を含む): 17554320

約数和(自身を除く): 8673110

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1289, 1378, 2578, 3445, 6445, 6890, 12890, 16757, 33514, 68317, 83785, 136634, 167570, 341585, 683170, 888121, 1776242, 4440605, 8881210]

約数ペア:

[(1, 8881210), (2, 4440605), (5, 1776242), (10, 888121), (13, 683170), (26, 341585), (53, 167570), (65, 136634), (106, 83785), (130, 68317), (265, 33514), (530, 16757), (689, 12890), (1289, 6890), (1378, 6445), (2578, 3445)]