380388040

素因数分解:

$2^3\times 5^1\times {\mathrm{9509701}}^1$

素因数の和:9509712

約数の個数: 16

約数和(自身を含む): 855873180

約数和(自身を除く): 475485140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9509701, 19019402, 38038804, 47548505, 76077608, 95097010, 190194020, 380388040]

約数ペア:

[(1, 380388040), (2, 190194020), (4, 95097010), (5, 76077608), (8, 47548505), (10, 38038804), (20, 19019402), (40, 9509701)]