8048125

素因数分解:

$5^4\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 20

約数和(自身を含む): 10246720

約数和(自身を除く): 2198595

約数列:

[1, 5, 25, 79, 125, 163, 395, 625, 815, 1975, 4075, 9875, 12877, 20375, 49375, 64385, 101875, 321925, 1609625, 8048125]

約数ペア:

[(1, 8048125), (5, 1609625), (25, 321925), (79, 101875), (125, 64385), (163, 49375), (395, 20375), (625, 12877), (815, 9875), (1975, 4075)]