12620680

素因数分解:

$2^3\times 5^1\times {\mathrm{315517}}^1$

素因数の和:315528

約数の個数: 16

約数和(自身を含む): 28396620

約数和(自身を除く): 15775940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 315517, 631034, 1262068, 1577585, 2524136, 3155170, 6310340, 12620680]

約数ペア:

[(1, 12620680), (2, 6310340), (4, 3155170), (5, 2524136), (8, 1577585), (10, 1262068), (20, 631034), (40, 315517)]