28397960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24481}}^1$

素因数の和:24521

約数の個数: 32

約数和(自身を含む): 66101400

約数和(自身を除く): 37703440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 24481, 48962, 97924, 122405, 195848, 244810, 489620, 709949, 979240, 1419898, 2839796, 3549745, 5679592, 7099490, 14198980, 28397960]

約数ペア:

[(1, 28397960), (2, 14198980), (4, 7099490), (5, 5679592), (8, 3549745), (10, 2839796), (20, 1419898), (29, 979240), (40, 709949), (58, 489620), (116, 244810), (145, 195848), (232, 122405), (290, 97924), (580, 48962), (1160, 24481)]