1999291240

素因数分解:

$2^3\times 5^1\times {\mathrm{49982281}}^1$

素因数の和:49982292

約数の個数: 16

約数和(自身を含む): 4498405380

約数和(自身を除く): 2499114140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 49982281, 99964562, 199929124, 249911405, 399858248, 499822810, 999645620, 1999291240]

約数ペア:

[(1, 1999291240), (2, 999645620), (4, 499822810), (5, 399858248), (8, 249911405), (10, 199929124), (20, 99964562), (40, 49982281)]