56515420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217367}}^1$

素因数の和:217389

約数の個数: 24

約数和(自身を含む): 127812384

約数和(自身を除く): 71296964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 217367, 434734, 869468, 1086835, 2173670, 2825771, 4347340, 5651542, 11303084, 14128855, 28257710, 56515420]

約数ペア:

[(1, 56515420), (2, 28257710), (4, 14128855), (5, 11303084), (10, 5651542), (13, 4347340), (20, 2825771), (26, 2173670), (52, 1086835), (65, 869468), (130, 434734), (260, 217367)]