7924375

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:460

約数の個数: 20

約数和(自身を含む): 10246720

約数和(自身を除く): 2322345

約数列:

[1, 5, 25, 31, 125, 155, 409, 625, 775, 2045, 3875, 10225, 12679, 19375, 51125, 63395, 255625, 316975, 1584875, 7924375]

約数ペア:

[(1, 7924375), (5, 1584875), (25, 316975), (31, 255625), (125, 63395), (155, 51125), (409, 19375), (625, 12679), (775, 10225), (2045, 3875)]