872890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2129}}^1$

素因数の和:2177

約数の個数: 16

約数和(自身を含む): 1610280

約数和(自身を除く): 737390

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 2129, 4258, 10645, 21290, 87289, 174578, 436445, 872890]

約数ペア:

[(1, 872890), (2, 436445), (5, 174578), (10, 87289), (41, 21290), (82, 10645), (205, 4258), (410, 2129)]