65358980

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{5179}}^1$

素因数の和:5819

約数の個数: 24

約数和(自身を含む): 137497920

約数和(自身を除く): 72138940

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 5179, 6310, 10358, 12620, 20716, 25895, 51790, 103580, 3267949, 6535898, 13071796, 16339745, 32679490, 65358980]

約数ペア:

[(1, 65358980), (2, 32679490), (4, 16339745), (5, 13071796), (10, 6535898), (20, 3267949), (631, 103580), (1262, 51790), (2524, 25895), (3155, 20716), (5179, 12620), (6310, 10358)]