56662840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108967}}^1$

素因数の和:108991

約数の個数: 32

約数和(自身を含む): 137299680

約数和(自身を除く): 80636840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 108967, 217934, 435868, 544835, 871736, 1089670, 1416571, 2179340, 2833142, 4358680, 5666284, 7082855, 11332568, 14165710, 28331420, 56662840]

約数ペア:

[(1, 56662840), (2, 28331420), (4, 14165710), (5, 11332568), (8, 7082855), (10, 5666284), (13, 4358680), (20, 2833142), (26, 2179340), (40, 1416571), (52, 1089670), (65, 871736), (104, 544835), (130, 435868), (260, 217934), (520, 108967)]