8288125

素因数分解:

$5^4\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 20

約数和(自身を含む): 10543500

約数和(自身を除く): 2255375

約数列:

[1, 5, 25, 89, 125, 149, 445, 625, 745, 2225, 3725, 11125, 13261, 18625, 55625, 66305, 93125, 331525, 1657625, 8288125]

約数ペア:

[(1, 8288125), (5, 1657625), (25, 331525), (89, 93125), (125, 66305), (149, 55625), (445, 18625), (625, 13261), (745, 11125), (2225, 3725)]