9707920

素因数分解:

$2^4\times 5^1\times {\mathrm{121349}}^1$

素因数の和:121362

約数の個数: 20

約数和(自身を含む): 22571100

約数和(自身を除く): 12863180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 121349, 242698, 485396, 606745, 970792, 1213490, 1941584, 2426980, 4853960, 9707920]

約数ペア:

[(1, 9707920), (2, 4853960), (4, 2426980), (5, 1941584), (8, 1213490), (10, 970792), (16, 606745), (20, 485396), (40, 242698), (80, 121349)]