87125180

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{10651}}^1$

素因数の和:11069

約数の個数: 24

約数和(自身を含む): 183427440

約数和(自身を除く): 96302260

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 10651, 21302, 42604, 53255, 106510, 213020, 4356259, 8712518, 17425036, 21781295, 43562590, 87125180]

約数ペア:

[(1, 87125180), (2, 43562590), (4, 21781295), (5, 17425036), (10, 8712518), (20, 4356259), (409, 213020), (818, 106510), (1636, 53255), (2045, 42604), (4090, 21302), (8180, 10651)]