204037640

素因数分解:

$2^3\times 5^1\times {\mathrm{5100941}}^1$

素因数の和:5100952

約数の個数: 16

約数和(自身を含む): 459084780

約数和(自身を除く): 255047140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5100941, 10201882, 20403764, 25504705, 40807528, 51009410, 102018820, 204037640]

約数ペア:

[(1, 204037640), (2, 102018820), (4, 51009410), (5, 40807528), (8, 25504705), (10, 20403764), (20, 10201882), (40, 5100941)]