66567940

素因数分解:

$2^2\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{2339}}^1$

素因数の和:3771

約数の個数: 24

約数和(自身を含む): 139950720

約数和(自身を除く): 73382780

約数列:

[1, 2, 4, 5, 10, 20, 1423, 2339, 2846, 4678, 5692, 7115, 9356, 11695, 14230, 23390, 28460, 46780, 3328397, 6656794, 13313588, 16641985, 33283970, 66567940]

約数ペア:

[(1, 66567940), (2, 33283970), (4, 16641985), (5, 13313588), (10, 6656794), (20, 3328397), (1423, 46780), (2339, 28460), (2846, 23390), (4678, 14230), (5692, 11695), (7115, 9356)]