7040780

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1787}}^1$

素因数の和:1993

約数の個数: 24

約数和(自身を含む): 14869008

約数和(自身を除く): 7828228

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1787, 1970, 3574, 3940, 7148, 8935, 17870, 35740, 352039, 704078, 1408156, 1760195, 3520390, 7040780]

約数ペア:

[(1, 7040780), (2, 3520390), (4, 1760195), (5, 1408156), (10, 704078), (20, 352039), (197, 35740), (394, 17870), (788, 8935), (985, 7148), (1787, 3940), (1970, 3574)]