12945680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 33640704

約数和(自身を除く): 20695024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 313, 376, 440, 470, 517, 626, 752, 880, 940, 1034, 1252, 1565, 1880, 2068, 2504, 2585, 3130, 3443, 3760, 4136, 5008, 5170, 6260, 6886, 8272, 10340, 12520, 13772, 14711, 17215, 20680, 25040, 27544, 29422, 34430, 41360, 55088, 58844, 68860, 73555, 117688, 137720, 147110, 161821, 235376, 275440, 294220, 323642, 588440, 647284, 809105, 1176880, 1294568, 1618210, 2589136, 3236420, 6472840, 12945680]

約数ペア:

[(1, 12945680), (2, 6472840), (4, 3236420), (5, 2589136), (8, 1618210), (10, 1294568), (11, 1176880), (16, 809105), (20, 647284), (22, 588440), (40, 323642), (44, 294220), (47, 275440), (55, 235376), (80, 161821), (88, 147110), (94, 137720), (110, 117688), (176, 73555), (188, 68860), (220, 58844), (235, 55088), (313, 41360), (376, 34430), (440, 29422), (470, 27544), (517, 25040), (626, 20680), (752, 17215), (880, 14711), (940, 13772), (1034, 12520), (1252, 10340), (1565, 8272), (1880, 6886), (2068, 6260), (2504, 5170), (2585, 5008), (3130, 4136), (3443, 3760)]