25086280

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1861}}^1$

素因数の和:2209

約数の個数: 32

約数和(自身を含む): 56642040

約数和(自身を除く): 31555760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 1861, 2696, 3370, 3722, 6740, 7444, 9305, 13480, 14888, 18610, 37220, 74440, 627157, 1254314, 2508628, 3135785, 5017256, 6271570, 12543140, 25086280]

約数ペア:

[(1, 25086280), (2, 12543140), (4, 6271570), (5, 5017256), (8, 3135785), (10, 2508628), (20, 1254314), (40, 627157), (337, 74440), (674, 37220), (1348, 18610), (1685, 14888), (1861, 13480), (2696, 9305), (3370, 7444), (3722, 6740)]