64656670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2081}}^1$

素因数の和:2340

約数の個数: 32

約数和(自身を含む): 125919360

約数和(自身を除く): 61262690

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239, 478, 1195, 2081, 2390, 3107, 4162, 6214, 10405, 15535, 20810, 27053, 31070, 54106, 135265, 270530, 497359, 994718, 2486795, 4973590, 6465667, 12931334, 32328335, 64656670]

約数ペア:

[(1, 64656670), (2, 32328335), (5, 12931334), (10, 6465667), (13, 4973590), (26, 2486795), (65, 994718), (130, 497359), (239, 270530), (478, 135265), (1195, 54106), (2081, 31070), (2390, 27053), (3107, 20810), (4162, 15535), (6214, 10405)]