1165820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:901

約数の個数: 24

約数和(自身を含む): 2485728

約数和(自身を除く): 1319908

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 821, 1420, 1642, 3284, 4105, 8210, 16420, 58291, 116582, 233164, 291455, 582910, 1165820]

約数ペア:

[(1, 1165820), (2, 582910), (4, 291455), (5, 233164), (10, 116582), (20, 58291), (71, 16420), (142, 8210), (284, 4105), (355, 3284), (710, 1642), (821, 1420)]