2783201620

素因数分解:

$2^2\times 5^1\times {\mathrm{34369}}^1\times {\mathrm{4049}}^1$

素因数の和:38427

約数の個数: 24

約数和(自身を含む): 5846337000

約数和(自身を除く): 3063135380

約数列:

[1, 2, 4, 5, 10, 20, 4049, 8098, 16196, 20245, 34369, 40490, 68738, 80980, 137476, 171845, 343690, 687380, 139160081, 278320162, 556640324, 695800405, 1391600810, 2783201620]

約数ペア:

[(1, 2783201620), (2, 1391600810), (4, 695800405), (5, 556640324), (10, 278320162), (20, 139160081), (4049, 687380), (8098, 343690), (16196, 171845), (20245, 137476), (34369, 80980), (40490, 68738)]