12510040

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2099}}^1$

素因数の和:2259

約数の個数: 32

約数和(自身を含む): 28350000

約数和(自身を除く): 15839960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2099, 2980, 4198, 5960, 8396, 10495, 16792, 20990, 41980, 83960, 312751, 625502, 1251004, 1563755, 2502008, 3127510, 6255020, 12510040]

約数ペア:

[(1, 12510040), (2, 6255020), (4, 3127510), (5, 2502008), (8, 1563755), (10, 1251004), (20, 625502), (40, 312751), (149, 83960), (298, 41980), (596, 20990), (745, 16792), (1192, 10495), (1490, 8396), (2099, 5960), (2980, 4198)]