84842140

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{5167}}^1$

素因数の和:5997

約数の個数: 24

約数和(自身を含む): 178420032

約数和(自身を除く): 93577892

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 5167, 8210, 10334, 16420, 20668, 25835, 51670, 103340, 4242107, 8484214, 16968428, 21210535, 42421070, 84842140]

約数ペア:

[(1, 84842140), (2, 42421070), (4, 21210535), (5, 16968428), (10, 8484214), (20, 4242107), (821, 103340), (1642, 51670), (3284, 25835), (4105, 20668), (5167, 16420), (8210, 10334)]