8121980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5563}}^1$

素因数の和:5645

約数の個数: 24

約数和(自身を含む): 17292912

約数和(自身を除く): 9170932

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 5563, 11126, 22252, 27815, 55630, 111260, 406099, 812198, 1624396, 2030495, 4060990, 8121980]

約数ペア:

[(1, 8121980), (2, 4060990), (4, 2030495), (5, 1624396), (10, 812198), (20, 406099), (73, 111260), (146, 55630), (292, 27815), (365, 22252), (730, 11126), (1460, 5563)]