74840840

素因数分解:

$2^3\times 5^1\times {\mathrm{1871021}}^1$

素因数の和:1871032

約数の個数: 16

約数和(自身を含む): 168391980

約数和(自身を除く): 93551140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1871021, 3742042, 7484084, 9355105, 14968168, 18710210, 37420420, 74840840]

約数ペア:

[(1, 74840840), (2, 37420420), (4, 18710210), (5, 14968168), (8, 9355105), (10, 7484084), (20, 3742042), (40, 1871021)]