66213580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{32779}}^1$

素因数の和:32889

約数の個数: 24

約数和(自身を含む): 140429520

約数和(自身を除く): 74215940

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 32779, 65558, 131116, 163895, 327790, 655580, 3310679, 6621358, 13242716, 16553395, 33106790, 66213580]

約数ペア:

[(1, 66213580), (2, 33106790), (4, 16553395), (5, 13242716), (10, 6621358), (20, 3310679), (101, 655580), (202, 327790), (404, 163895), (505, 131116), (1010, 65558), (2020, 32779)]