86143870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{1289}}^1$

素因数の和:1500

約数の個数: 32

約数和(自身を含む): 159939360

約数和(自身を除く): 73795490

約数列:

[1, 2, 5, 10, 41, 82, 163, 205, 326, 410, 815, 1289, 1630, 2578, 6445, 6683, 12890, 13366, 33415, 52849, 66830, 105698, 210107, 264245, 420214, 528490, 1050535, 2101070, 8614387, 17228774, 43071935, 86143870]

約数ペア:

[(1, 86143870), (2, 43071935), (5, 17228774), (10, 8614387), (41, 2101070), (82, 1050535), (163, 528490), (205, 420214), (326, 264245), (410, 210107), (815, 105698), (1289, 66830), (1630, 52849), (2578, 33415), (6445, 13366), (6683, 12890)]