12540460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7937}}^1$

素因数の和:8025

約数の個数: 24

約数和(自身を含む): 26671680

約数和(自身を除く): 14131220

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 7937, 15874, 31748, 39685, 79370, 158740, 627023, 1254046, 2508092, 3135115, 6270230, 12540460]

約数ペア:

[(1, 12540460), (2, 6270230), (4, 3135115), (5, 2508092), (10, 1254046), (20, 627023), (79, 158740), (158, 79370), (316, 39685), (395, 31748), (790, 15874), (1580, 7937)]