13159820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8329}}^1$

素因数の和:8417

約数の個数: 24

約数和(自身を含む): 27988800

約数和(自身を除く): 14828980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 8329, 16658, 33316, 41645, 83290, 166580, 657991, 1315982, 2631964, 3289955, 6579910, 13159820]

約数ペア:

[(1, 13159820), (2, 6579910), (4, 3289955), (5, 2631964), (10, 1315982), (20, 657991), (79, 166580), (158, 83290), (316, 41645), (395, 33316), (790, 16658), (1580, 8329)]