201581080

素因数分解:

$2^3\times 5^1\times {\mathrm{5039527}}^1$

素因数の和:5039538

約数の個数: 16

約数和(自身を含む): 453557520

約数和(自身を除く): 251976440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5039527, 10079054, 20158108, 25197635, 40316216, 50395270, 100790540, 201581080]

約数ペア:

[(1, 201581080), (2, 100790540), (4, 50395270), (5, 40316216), (8, 25197635), (10, 20158108), (20, 10079054), (40, 5039527)]