39943040

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:607

約数の個数: 64

約数和(自身を含む): 96390000

約数和(自身を除く): 56446960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 449, 556, 640, 695, 898, 1112, 1390, 1796, 2224, 2245, 2780, 3592, 4448, 4490, 5560, 7184, 8896, 8980, 11120, 14368, 17792, 17960, 22240, 28736, 35920, 44480, 57472, 62411, 71840, 88960, 124822, 143680, 249644, 287360, 312055, 499288, 624110, 998576, 1248220, 1997152, 2496440, 3994304, 4992880, 7988608, 9985760, 19971520, 39943040]

約数ペア:

[(1, 39943040), (2, 19971520), (4, 9985760), (5, 7988608), (8, 4992880), (10, 3994304), (16, 2496440), (20, 1997152), (32, 1248220), (40, 998576), (64, 624110), (80, 499288), (128, 312055), (139, 287360), (160, 249644), (278, 143680), (320, 124822), (449, 88960), (556, 71840), (640, 62411), (695, 57472), (898, 44480), (1112, 35920), (1390, 28736), (1796, 22240), (2224, 17960), (2245, 17792), (2780, 14368), (3592, 11120), (4448, 8980), (4490, 8896), (5560, 7184)]