28620475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1061}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 38716272

約数和(自身を除く): 10095797

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 1061, 1079, 2075, 5305, 5395, 13793, 26525, 26975, 68965, 88063, 344825, 440315, 1144819, 2201575, 5724095, 28620475]

約数ペア:

[(1, 28620475), (5, 5724095), (13, 2201575), (25, 1144819), (65, 440315), (83, 344825), (325, 88063), (415, 68965), (1061, 26975), (1079, 26525), (2075, 13793), (5305, 5395)]