86713820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139861}}^1$

素因数の和:139901

約数の個数: 24

約数和(自身を含む): 187974528

約数和(自身を除く): 101260708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 139861, 279722, 559444, 699305, 1398610, 2797220, 4335691, 8671382, 17342764, 21678455, 43356910, 86713820]

約数ペア:

[(1, 86713820), (2, 43356910), (4, 21678455), (5, 17342764), (10, 8671382), (20, 4335691), (31, 2797220), (62, 1398610), (124, 699305), (155, 559444), (310, 279722), (620, 139861)]