12919314040

素因数分解:

$2^3\times 5^1\times {\mathrm{322982851}}^1$

素因数の和:322982862

約数の個数: 16

約数和(自身を含む): 29068456680

約数和(自身を除く): 16149142640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 322982851, 645965702, 1291931404, 1614914255, 2583862808, 3229828510, 6459657020, 12919314040]

約数ペア:

[(1, 12919314040), (2, 6459657020), (4, 3229828510), (5, 2583862808), (8, 1614914255), (10, 1291931404), (20, 645965702), (40, 322982851)]