25080920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7937}}^1$

素因数の和:8027

約数の個数: 32

約数和(自身を含む): 57153600

約数和(自身を除く): 32072680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 7937, 15874, 31748, 39685, 63496, 79370, 158740, 317480, 627023, 1254046, 2508092, 3135115, 5016184, 6270230, 12540460, 25080920]

約数ペア:

[(1, 25080920), (2, 12540460), (4, 6270230), (5, 5016184), (8, 3135115), (10, 2508092), (20, 1254046), (40, 627023), (79, 317480), (158, 158740), (316, 79370), (395, 63496), (632, 39685), (790, 31748), (1580, 15874), (3160, 7937)]