201821201360

素因数分解:

$2^4\times 5^1\times {\mathrm{2522765017}}^1$

素因数の和:2522765030

約数の個数: 20

約数和(自身を含む): 469234293348

約数和(自身を除く): 267413091988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2522765017, 5045530034, 10091060068, 12613825085, 20182120136, 25227650170, 40364240272, 50455300340, 100910600680, 201821201360]

約数ペア:

[(1, 201821201360), (2, 100910600680), (4, 50455300340), (5, 40364240272), (8, 25227650170), (10, 20182120136), (16, 12613825085), (20, 10091060068), (40, 5045530034), (80, 2522765017)]