40421225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{449}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 54293400

約数和(自身を除く): 13872175

約数列:

[1, 5, 13, 25, 65, 277, 325, 449, 1385, 2245, 3601, 5837, 6925, 11225, 18005, 29185, 90025, 124373, 145925, 621865, 1616849, 3109325, 8084245, 40421225]

約数ペア:

[(1, 40421225), (5, 8084245), (13, 3109325), (25, 1616849), (65, 621865), (277, 145925), (325, 124373), (449, 90025), (1385, 29185), (2245, 18005), (3601, 11225), (5837, 6925)]