7940780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13691}}^1$

素因数の和:13729

約数の個数: 24

約数和(自身を含む): 17251920

約数和(自身を除く): 9311140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 13691, 27382, 54764, 68455, 136910, 273820, 397039, 794078, 1588156, 1985195, 3970390, 7940780]

約数ペア:

[(1, 7940780), (2, 3970390), (4, 1985195), (5, 1588156), (10, 794078), (20, 397039), (29, 273820), (58, 136910), (116, 68455), (145, 54764), (290, 27382), (580, 13691)]