872740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3967}}^1$

素因数の和:3987

約数の個数: 24

約数和(自身を含む): 1999872

約数和(自身を除く): 1127132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3967, 7934, 15868, 19835, 39670, 43637, 79340, 87274, 174548, 218185, 436370, 872740]

約数ペア:

[(1, 872740), (2, 436370), (4, 218185), (5, 174548), (10, 87274), (11, 79340), (20, 43637), (22, 39670), (44, 19835), (55, 15868), (110, 7934), (220, 3967)]