2496440

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 5670000

約数和(自身を除く): 3173560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 449, 556, 695, 898, 1112, 1390, 1796, 2245, 2780, 3592, 4490, 5560, 8980, 17960, 62411, 124822, 249644, 312055, 499288, 624110, 1248220, 2496440]

約数ペア:

[(1, 2496440), (2, 1248220), (4, 624110), (5, 499288), (8, 312055), (10, 249644), (20, 124822), (40, 62411), (139, 17960), (278, 8980), (449, 5560), (556, 4490), (695, 3592), (898, 2780), (1112, 2245), (1390, 1796)]