12618040

素因数分解:

$2^3\times 5^1\times {\mathrm{315451}}^1$

素因数の和:315462

約数の個数: 16

約数和(自身を含む): 28390680

約数和(自身を除く): 15772640

約数列:

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

約数ペア:

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