7995280

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{719}}^1$

素因数の和:871

約数の個数: 40

約数和(自身を含む): 18748800

約数和(自身を除く): 10753520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 719, 1112, 1390, 1438, 2224, 2780, 2876, 3595, 5560, 5752, 7190, 11120, 11504, 14380, 28760, 57520, 99941, 199882, 399764, 499705, 799528, 999410, 1599056, 1998820, 3997640, 7995280]

約数ペア:

[(1, 7995280), (2, 3997640), (4, 1998820), (5, 1599056), (8, 999410), (10, 799528), (16, 499705), (20, 399764), (40, 199882), (80, 99941), (139, 57520), (278, 28760), (556, 14380), (695, 11504), (719, 11120), (1112, 7190), (1390, 5752), (1438, 5560), (2224, 3595), (2780, 2876)]