3980180

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1567}}^1$

素因数の和:1703

約数の個数: 24

約数和(自身を含む): 8429568

約数和(自身を除く): 4449388

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 1567, 2540, 3134, 6268, 7835, 15670, 31340, 199009, 398018, 796036, 995045, 1990090, 3980180]

約数ペア:

[(1, 3980180), (2, 1990090), (4, 995045), (5, 796036), (10, 398018), (20, 199009), (127, 31340), (254, 15670), (508, 7835), (635, 6268), (1270, 3134), (1567, 2540)]