87797740

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{5347}}^1$

素因数の和:6177

約数の個数: 24

約数和(自身を含む): 184634352

約数和(自身を除く): 96836612

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 5347, 8210, 10694, 16420, 21388, 26735, 53470, 106940, 4389887, 8779774, 17559548, 21949435, 43898870, 87797740]

約数ペア:

[(1, 87797740), (2, 43898870), (4, 21949435), (5, 17559548), (10, 8779774), (20, 4389887), (821, 106940), (1642, 53470), (3284, 26735), (4105, 21388), (5347, 16420), (8210, 10694)]