13505920

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 33048000

約数和(自身を除く): 19542080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 449, 470, 640, 752, 898, 940, 1504, 1796, 1880, 2245, 3008, 3592, 3760, 4490, 6016, 7184, 7520, 8980, 14368, 15040, 17960, 21103, 28736, 30080, 35920, 42206, 57472, 71840, 84412, 105515, 143680, 168824, 211030, 287360, 337648, 422060, 675296, 844120, 1350592, 1688240, 2701184, 3376480, 6752960, 13505920]

約数ペア:

[(1, 13505920), (2, 6752960), (4, 3376480), (5, 2701184), (8, 1688240), (10, 1350592), (16, 844120), (20, 675296), (32, 422060), (40, 337648), (47, 287360), (64, 211030), (80, 168824), (94, 143680), (128, 105515), (160, 84412), (188, 71840), (235, 57472), (320, 42206), (376, 35920), (449, 30080), (470, 28736), (640, 21103), (752, 17960), (898, 15040), (940, 14368), (1504, 8980), (1796, 7520), (1880, 7184), (2245, 6016), (3008, 4490), (3592, 3760)]