8412725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 11160000

約数和(自身を除く): 2747275

約数列:

[1, 5, 19, 25, 89, 95, 199, 445, 475, 995, 1691, 2225, 3781, 4975, 8455, 17711, 18905, 42275, 88555, 94525, 336509, 442775, 1682545, 8412725]

約数ペア:

[(1, 8412725), (5, 1682545), (19, 442775), (25, 336509), (89, 94525), (95, 88555), (199, 42275), (445, 18905), (475, 17711), (995, 8455), (1691, 4975), (2225, 3781)]