65620048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{315481}}^1$

素因数の和:315502

約数の個数: 20

約数和(自身を含む): 136919188

約数和(自身を除く): 71299140

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 315481, 630962, 1261924, 2523848, 4101253, 5047696, 8202506, 16405012, 32810024, 65620048]

約数ペア:

[(1, 65620048), (2, 32810024), (4, 16405012), (8, 8202506), (13, 5047696), (16, 4101253), (26, 2523848), (52, 1261924), (104, 630962), (208, 315481)]