13806580

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4397}}^1$

素因数の和:4563

約数の個数: 24

約数和(自身を含む): 29185128

約数和(自身を除く): 15378548

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 4397, 8794, 17588, 21985, 43970, 87940, 690329, 1380658, 2761316, 3451645, 6903290, 13806580]

約数ペア:

[(1, 13806580), (2, 6903290), (4, 3451645), (5, 2761316), (10, 1380658), (20, 690329), (157, 87940), (314, 43970), (628, 21985), (785, 17588), (1570, 8794), (3140, 4397)]