66718580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{33029}}^1$

素因数の和:33139

約数の個数: 24

約数和(自身を含む): 141500520

約数和(自身を除く): 74781940

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 33029, 66058, 132116, 165145, 330290, 660580, 3335929, 6671858, 13343716, 16679645, 33359290, 66718580]

約数ペア:

[(1, 66718580), (2, 33359290), (4, 16679645), (5, 13343716), (10, 6671858), (20, 3335929), (101, 660580), (202, 330290), (404, 165145), (505, 132116), (1010, 66058), (2020, 33029)]