4992880

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:601

約数の個数: 40

約数和(自身を含む): 11718000

約数和(自身を除く): 6725120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 449, 556, 695, 898, 1112, 1390, 1796, 2224, 2245, 2780, 3592, 4490, 5560, 7184, 8980, 11120, 17960, 35920, 62411, 124822, 249644, 312055, 499288, 624110, 998576, 1248220, 2496440, 4992880]

約数ペア:

[(1, 4992880), (2, 2496440), (4, 1248220), (5, 998576), (8, 624110), (10, 499288), (16, 312055), (20, 249644), (40, 124822), (80, 62411), (139, 35920), (278, 17960), (449, 11120), (556, 8980), (695, 7184), (898, 5560), (1112, 4490), (1390, 3592), (1796, 2780), (2224, 2245)]