86564420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149249}}^1$

素因数の和:149287

約数の個数: 24

約数和(自身を含む): 188055000

約数和(自身を除く): 101490580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 149249, 298498, 596996, 746245, 1492490, 2984980, 4328221, 8656442, 17312884, 21641105, 43282210, 86564420]

約数ペア:

[(1, 86564420), (2, 43282210), (4, 21641105), (5, 17312884), (10, 8656442), (20, 4328221), (29, 2984980), (58, 1492490), (116, 746245), (145, 596996), (290, 298498), (580, 149249)]