56899960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109423}}^1$

素因数の和:109447

約数の個数: 32

約数和(自身を含む): 137874240

約数和(自身を除く): 80974280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 109423, 218846, 437692, 547115, 875384, 1094230, 1422499, 2188460, 2844998, 4376920, 5689996, 7112495, 11379992, 14224990, 28449980, 56899960]

約数ペア:

[(1, 56899960), (2, 28449980), (4, 14224990), (5, 11379992), (8, 7112495), (10, 5689996), (13, 4376920), (20, 2844998), (26, 2188460), (40, 1422499), (52, 1094230), (65, 875384), (104, 547115), (130, 437692), (260, 218846), (520, 109423)]