1020980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 2177280

約数和(自身を除く): 1156300

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 719, 1420, 1438, 2876, 3595, 7190, 14380, 51049, 102098, 204196, 255245, 510490, 1020980]

約数ペア:

[(1, 1020980), (2, 510490), (4, 255245), (5, 204196), (10, 102098), (20, 51049), (71, 14380), (142, 7190), (284, 3595), (355, 2876), (710, 1438), (719, 1420)]