3956080

素因数分解:

$2^4\times 5^1\times {\mathrm{49451}}^1$

素因数の和:49464

約数の個数: 20

約数和(自身を含む): 9198072

約数和(自身を除く): 5241992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49451, 98902, 197804, 247255, 395608, 494510, 791216, 989020, 1978040, 3956080]

約数ペア:

[(1, 3956080), (2, 1978040), (4, 989020), (5, 791216), (8, 494510), (10, 395608), (16, 247255), (20, 197804), (40, 98902), (80, 49451)]