66760625

素因数分解:

$5^4\times {\mathrm{223}}^1\times {\mathrm{479}}^1$

素因数の和:722

約数の個数: 20

約数和(自身を含む): 83973120

約数和(自身を除く): 17212495

約数列:

[1, 5, 25, 125, 223, 479, 625, 1115, 2395, 5575, 11975, 27875, 59875, 106817, 139375, 299375, 534085, 2670425, 13352125, 66760625]

約数ペア:

[(1, 66760625), (5, 13352125), (25, 2670425), (125, 534085), (223, 299375), (479, 139375), (625, 106817), (1115, 59875), (2395, 27875), (5575, 11975)]