64886860

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{28711}}^1$

素因数の和:28833

約数の個数: 24

約数和(自身を含む): 137473056

約数和(自身を除く): 72586196

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 28711, 57422, 114844, 143555, 287110, 574220, 3244343, 6488686, 12977372, 16221715, 32443430, 64886860]

約数ペア:

[(1, 64886860), (2, 32443430), (4, 16221715), (5, 12977372), (10, 6488686), (20, 3244343), (113, 574220), (226, 287110), (452, 143555), (565, 114844), (1130, 57422), (2260, 28711)]