129046840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248167}}^1$

素因数の和:248191

約数の個数: 32

約数和(自身を含む): 312691680

約数和(自身を除く): 183644840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 248167, 496334, 992668, 1240835, 1985336, 2481670, 3226171, 4963340, 6452342, 9926680, 12904684, 16130855, 25809368, 32261710, 64523420, 129046840]

約数ペア:

[(1, 129046840), (2, 64523420), (4, 32261710), (5, 25809368), (8, 16130855), (10, 12904684), (13, 9926680), (20, 6452342), (26, 4963340), (40, 3226171), (52, 2481670), (65, 1985336), (104, 1240835), (130, 992668), (260, 496334), (520, 248167)]