7091780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2551}}^1$

素因数の和:2699

約数の個数: 24

約数和(自身を含む): 15005760

約数和(自身を除く): 7913980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2551, 2780, 5102, 10204, 12755, 25510, 51020, 354589, 709178, 1418356, 1772945, 3545890, 7091780]

約数ペア:

[(1, 7091780), (2, 3545890), (4, 1772945), (5, 1418356), (10, 709178), (20, 354589), (139, 51020), (278, 25510), (556, 12755), (695, 10204), (1390, 5102), (2551, 2780)]