12355640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28081}}^1$

素因数の和:28103

約数の個数: 32

約数和(自身を含む): 30328560

約数和(自身を除く): 17972920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28081, 56162, 112324, 140405, 224648, 280810, 308891, 561620, 617782, 1123240, 1235564, 1544455, 2471128, 3088910, 6177820, 12355640]

約数ペア:

[(1, 12355640), (2, 6177820), (4, 3088910), (5, 2471128), (8, 1544455), (10, 1235564), (11, 1123240), (20, 617782), (22, 561620), (40, 308891), (44, 280810), (55, 224648), (88, 140405), (110, 112324), (220, 56162), (440, 28081)]