7956820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20939}}^1$

素因数の和:20967

約数の個数: 24

約数和(自身を含む): 17589600

約数和(自身を除く): 9632780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 20939, 41878, 83756, 104695, 209390, 397841, 418780, 795682, 1591364, 1989205, 3978410, 7956820]

約数ペア:

[(1, 7956820), (2, 3978410), (4, 1989205), (5, 1591364), (10, 795682), (19, 418780), (20, 397841), (38, 209390), (76, 104695), (95, 83756), (190, 41878), (380, 20939)]