42545373125

素因数分解:

$5^4\times {\mathrm{103}}^1\times {\mathrm{660899}}^1$

素因数の和:661022

約数の個数: 20

約数和(自身を含む): 53680941600

約数和(自身を除く): 11135568475

約数列:

[1, 5, 25, 103, 125, 515, 625, 2575, 12875, 64375, 660899, 3304495, 16522475, 68072597, 82612375, 340362985, 413061875, 1701814925, 8509074625, 42545373125]

約数ペア:

[(1, 42545373125), (5, 8509074625), (25, 1701814925), (103, 413061875), (125, 340362985), (515, 82612375), (625, 68072597), (2575, 16522475), (12875, 3304495), (64375, 660899)]