15952820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61357}}^1$

素因数の和:61379

約数の個数: 24

約数和(自身を含む): 36078504

約数和(自身を除く): 20125684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 61357, 122714, 245428, 306785, 613570, 797641, 1227140, 1595282, 3190564, 3988205, 7976410, 15952820]

約数ペア:

[(1, 15952820), (2, 7976410), (4, 3988205), (5, 3190564), (10, 1595282), (13, 1227140), (20, 797641), (26, 613570), (52, 306785), (65, 245428), (130, 122714), (260, 61357)]