25236080

素因数分解:

$2^4\times 5^1\times {\mathrm{315451}}^1$

素因数の和:315464

約数の個数: 20

約数和(自身を含む): 58674072

約数和(自身を除く): 33437992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 315451, 630902, 1261804, 1577255, 2523608, 3154510, 5047216, 6309020, 12618040, 25236080]

約数ペア:

[(1, 25236080), (2, 12618040), (4, 6309020), (5, 5047216), (8, 3154510), (10, 2523608), (16, 1577255), (20, 1261804), (40, 630902), (80, 315451)]