64455430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21557}}^1$

素因数の和:21600

約数の個数: 32

約数和(自身を含む): 130382784

約数和(自身を除く): 65927354

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 21557, 43114, 107785, 215570, 280241, 495811, 560482, 991622, 1401205, 2479055, 2802410, 4958110, 6445543, 12891086, 32227715, 64455430]

約数ペア:

[(1, 64455430), (2, 32227715), (5, 12891086), (10, 6445543), (13, 4958110), (23, 2802410), (26, 2479055), (46, 1401205), (65, 991622), (115, 560482), (130, 495811), (230, 280241), (299, 215570), (598, 107785), (1495, 43114), (2990, 21557)]