7925780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2851}}^1$

素因数の和:2999

約数の個数: 24

約数和(自身を含む): 16769760

約数和(自身を除く): 8843980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 2851, 5702, 11404, 14255, 28510, 57020, 396289, 792578, 1585156, 1981445, 3962890, 7925780]

約数ペア:

[(1, 7925780), (2, 3962890), (4, 1981445), (5, 1585156), (10, 792578), (20, 396289), (139, 57020), (278, 28510), (556, 14255), (695, 11404), (1390, 5702), (2780, 2851)]