2040185

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 2840832

約数和(自身を除く): 800647

約数列:

[1, 5, 7, 35, 71, 355, 497, 821, 2485, 4105, 5747, 28735, 58291, 291455, 408037, 2040185]

約数ペア:

[(1, 2040185), (5, 408037), (7, 291455), (35, 58291), (71, 28735), (355, 5747), (497, 4105), (821, 2485)]