82105780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{100129}}^1$

素因数の和:100179

約数の個数: 24

約数和(自身を含む): 176629320

約数和(自身を除く): 94523540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 100129, 200258, 400516, 500645, 1001290, 2002580, 4105289, 8210578, 16421156, 20526445, 41052890, 82105780]

約数ペア:

[(1, 82105780), (2, 41052890), (4, 20526445), (5, 16421156), (10, 8210578), (20, 4105289), (41, 2002580), (82, 1001290), (164, 500645), (205, 400516), (410, 200258), (820, 100129)]