1954402820

素因数分解:

$2^2\times 5^1\times {\mathrm{8999}}^1\times {\mathrm{10859}}^1$

素因数の和:19867

約数の個数: 24

約数和(自身を含む): 4105080000

約数和(自身を除く): 2150677180

約数列:

[1, 2, 4, 5, 10, 20, 8999, 10859, 17998, 21718, 35996, 43436, 44995, 54295, 89990, 108590, 179980, 217180, 97720141, 195440282, 390880564, 488600705, 977201410, 1954402820]

約数ペア:

[(1, 1954402820), (2, 977201410), (4, 488600705), (5, 390880564), (10, 195440282), (20, 97720141), (8999, 217180), (10859, 179980), (17998, 108590), (21718, 89990), (35996, 54295), (43436, 44995)]