64523420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248167}}^1$

素因数の和:248189

約数の個数: 24

約数和(自身を含む): 145922784

約数和(自身を除く): 81399364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 248167, 496334, 992668, 1240835, 2481670, 3226171, 4963340, 6452342, 12904684, 16130855, 32261710, 64523420]

約数ペア:

[(1, 64523420), (2, 32261710), (4, 16130855), (5, 12904684), (10, 6452342), (13, 4963340), (20, 3226171), (26, 2481670), (52, 1240835), (65, 992668), (130, 496334), (260, 248167)]