82105040

素因数分解:

$2^4\times 5^1\times {\mathrm{1026313}}^1$

素因数の和:1026326

約数の個数: 20

約数和(自身を含む): 190894404

約数和(自身を除く): 108789364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1026313, 2052626, 4105252, 5131565, 8210504, 10263130, 16421008, 20526260, 41052520, 82105040]

約数ペア:

[(1, 82105040), (2, 41052520), (4, 20526260), (5, 16421008), (8, 10263130), (10, 8210504), (16, 5131565), (20, 4105252), (40, 2052626), (80, 1026313)]