54104080

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3433}}^1$

素因数の和:3643

約数の個数: 40

約数和(自身を含む): 126467352

約数和(自身を除く): 72363272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3433, 3940, 6866, 7880, 13732, 15760, 17165, 27464, 34330, 54928, 68660, 137320, 274640, 676301, 1352602, 2705204, 3381505, 5410408, 6763010, 10820816, 13526020, 27052040, 54104080]

約数ペア:

[(1, 54104080), (2, 27052040), (4, 13526020), (5, 10820816), (8, 6763010), (10, 5410408), (16, 3381505), (20, 2705204), (40, 1352602), (80, 676301), (197, 274640), (394, 137320), (788, 68660), (985, 54928), (1576, 34330), (1970, 27464), (3152, 17165), (3433, 15760), (3940, 13732), (6866, 7880)]