8983720

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2099}}^1$

素因数の和:2217

約数の個数: 32

約数和(自身を含む): 20412000

約数和(自身を除く): 11428280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2099, 2140, 4198, 4280, 8396, 10495, 16792, 20990, 41980, 83960, 224593, 449186, 898372, 1122965, 1796744, 2245930, 4491860, 8983720]

約数ペア:

[(1, 8983720), (2, 4491860), (4, 2245930), (5, 1796744), (8, 1122965), (10, 898372), (20, 449186), (40, 224593), (107, 83960), (214, 41980), (428, 20990), (535, 16792), (856, 10495), (1070, 8396), (2099, 4280), (2140, 4198)]