12917480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6871}}^1$

素因数の和:6929

約数の個数: 32

約数和(自身を含む): 29687040

約数和(自身を除く): 16769560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 6871, 13742, 27484, 34355, 54968, 68710, 137420, 274840, 322937, 645874, 1291748, 1614685, 2583496, 3229370, 6458740, 12917480]

約数ペア:

[(1, 12917480), (2, 6458740), (4, 3229370), (5, 2583496), (8, 1614685), (10, 1291748), (20, 645874), (40, 322937), (47, 274840), (94, 137420), (188, 68710), (235, 54968), (376, 34355), (470, 27484), (940, 13742), (1880, 6871)]