128350060

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{87911}}^1$

素因数の和:87993

約数の個数: 24

約数和(自身を含む): 273230496

約数和(自身を除く): 144880436

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 87911, 175822, 351644, 439555, 879110, 1758220, 6417503, 12835006, 25670012, 32087515, 64175030, 128350060]

約数ペア:

[(1, 128350060), (2, 64175030), (4, 32087515), (5, 25670012), (10, 12835006), (20, 6417503), (73, 1758220), (146, 879110), (292, 439555), (365, 351644), (730, 175822), (1460, 87911)]