67875625

素因数分解:

$5^4\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:730

約数の個数: 20

約数和(自身を含む): 85372672

約数和(自身を除く): 17497047

約数列:

[1, 5, 25, 125, 223, 487, 625, 1115, 2435, 5575, 12175, 27875, 60875, 108601, 139375, 304375, 543005, 2715025, 13575125, 67875625]

約数ペア:

[(1, 67875625), (5, 13575125), (25, 2715025), (125, 543005), (223, 304375), (487, 139375), (625, 108601), (1115, 60875), (2435, 27875), (5575, 12175)]