78832420

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{4801}}^1$

素因数の和:5631

約数の個数: 24

約数和(自身を含む): 165784248

約数和(自身を除く): 86951828

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 4801, 8210, 9602, 16420, 19204, 24005, 48010, 96020, 3941621, 7883242, 15766484, 19708105, 39416210, 78832420]

約数ペア:

[(1, 78832420), (2, 39416210), (4, 19708105), (5, 15766484), (10, 7883242), (20, 3941621), (821, 96020), (1642, 48010), (3284, 24005), (4105, 19204), (4801, 16420), (8210, 9602)]