71796740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{87557}}^1$

素因数の和:87607

約数の個数: 24

約数和(自身を含む): 154452312

約数和(自身を除く): 82655572

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 87557, 175114, 350228, 437785, 875570, 1751140, 3589837, 7179674, 14359348, 17949185, 35898370, 71796740]

約数ペア:

[(1, 71796740), (2, 35898370), (4, 17949185), (5, 14359348), (10, 7179674), (20, 3589837), (41, 1751140), (82, 875570), (164, 437785), (205, 350228), (410, 175114), (820, 87557)]