28675240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65171}}^1$

素因数の和:65193

約数の個数: 32

約数和(自身を含む): 70385760

約数和(自身を除く): 41710520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 65171, 130342, 260684, 325855, 521368, 651710, 716881, 1303420, 1433762, 2606840, 2867524, 3584405, 5735048, 7168810, 14337620, 28675240]

約数ペア:

[(1, 28675240), (2, 14337620), (4, 7168810), (5, 5735048), (8, 3584405), (10, 2867524), (11, 2606840), (20, 1433762), (22, 1303420), (40, 716881), (44, 651710), (55, 521368), (88, 325855), (110, 260684), (220, 130342), (440, 65171)]