85469420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{104231}}^1$

素因数の和:104281

約数の個数: 24

約数和(自身を含む): 183865248

約数和(自身を除く): 98395828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 104231, 208462, 416924, 521155, 1042310, 2084620, 4273471, 8546942, 17093884, 21367355, 42734710, 85469420]

約数ペア:

[(1, 85469420), (2, 42734710), (4, 21367355), (5, 17093884), (10, 8546942), (20, 4273471), (41, 2084620), (82, 1042310), (164, 521155), (205, 416924), (410, 208462), (820, 104231)]