8223125

素因数分解:

$5^4\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:302

約数の個数: 20

約数和(自身を含む): 10496640

約数和(自身を除く): 2273515

約数列:

[1, 5, 25, 59, 125, 223, 295, 625, 1115, 1475, 5575, 7375, 13157, 27875, 36875, 65785, 139375, 328925, 1644625, 8223125]

約数ペア:

[(1, 8223125), (5, 1644625), (25, 328925), (59, 139375), (125, 65785), (223, 36875), (295, 27875), (625, 13157), (1115, 7375), (1475, 5575)]