8939740

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1009}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 18834480

約数和(自身を除く): 9894740

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1009, 1772, 2018, 2215, 4036, 4430, 5045, 8860, 10090, 20180, 446987, 893974, 1787948, 2234935, 4469870, 8939740]

約数ペア:

[(1, 8939740), (2, 4469870), (4, 2234935), (5, 1787948), (10, 893974), (20, 446987), (443, 20180), (886, 10090), (1009, 8860), (1772, 5045), (2018, 4430), (2215, 4036)]