72354160

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4591}}^1$

素因数の和:4801

約数の個数: 40

約数和(自身を含む): 169114176

約数和(自身を除く): 96760016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 4591, 7880, 9182, 15760, 18364, 22955, 36728, 45910, 73456, 91820, 183640, 367280, 904427, 1808854, 3617708, 4522135, 7235416, 9044270, 14470832, 18088540, 36177080, 72354160]

約数ペア:

[(1, 72354160), (2, 36177080), (4, 18088540), (5, 14470832), (8, 9044270), (10, 7235416), (16, 4522135), (20, 3617708), (40, 1808854), (80, 904427), (197, 367280), (394, 183640), (788, 91820), (985, 73456), (1576, 45910), (1970, 36728), (3152, 22955), (3940, 18364), (4591, 15760), (7880, 9182)]