39640820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{37397}}^1$

素因数の和:37459

約数の個数: 24

約数和(自身を含む): 84818664

約数和(自身を除く): 45177844

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 37397, 74794, 149588, 186985, 373970, 747940, 1982041, 3964082, 7928164, 9910205, 19820410, 39640820]

約数ペア:

[(1, 39640820), (2, 19820410), (4, 9910205), (5, 7928164), (10, 3964082), (20, 1982041), (53, 747940), (106, 373970), (212, 186985), (265, 149588), (530, 74794), (1060, 37397)]