55427920

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3517}}^1$

素因数の和:3727

約数の個数: 40

約数和(自身を含む): 129560904

約数和(自身を除く): 74132984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3517, 3940, 7034, 7880, 14068, 15760, 17585, 28136, 35170, 56272, 70340, 140680, 281360, 692849, 1385698, 2771396, 3464245, 5542792, 6928490, 11085584, 13856980, 27713960, 55427920]

約数ペア:

[(1, 55427920), (2, 27713960), (4, 13856980), (5, 11085584), (8, 6928490), (10, 5542792), (16, 3464245), (20, 2771396), (40, 1385698), (80, 692849), (197, 281360), (394, 140680), (788, 70340), (985, 56272), (1576, 35170), (1970, 28136), (3152, 17585), (3517, 15760), (3940, 14068), (7034, 7880)]