9985760

素因数分解:

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

素因数の和:603

約数の個数: 48

約数和(自身を含む): 23814000

約数和(自身を除く): 13828240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 449, 556, 695, 898, 1112, 1390, 1796, 2224, 2245, 2780, 3592, 4448, 4490, 5560, 7184, 8980, 11120, 14368, 17960, 22240, 35920, 62411, 71840, 124822, 249644, 312055, 499288, 624110, 998576, 1248220, 1997152, 2496440, 4992880, 9985760]

約数ペア:

[(1, 9985760), (2, 4992880), (4, 2496440), (5, 1997152), (8, 1248220), (10, 998576), (16, 624110), (20, 499288), (32, 312055), (40, 249644), (80, 124822), (139, 71840), (160, 62411), (278, 35920), (449, 22240), (556, 17960), (695, 14368), (898, 11120), (1112, 8980), (1390, 7184), (1796, 5560), (2224, 4490), (2245, 4448), (2780, 3592)]