200940440

素因数分解:

$2^3\times 5^1\times {\mathrm{5023511}}^1$

素因数の和:5023522

約数の個数: 16

約数和(自身を含む): 452116080

約数和(自身を除く): 251175640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5023511, 10047022, 20094044, 25117555, 40188088, 50235110, 100470220, 200940440]

約数ペア:

[(1, 200940440), (2, 100470220), (4, 50235110), (5, 40188088), (8, 25117555), (10, 20094044), (20, 10047022), (40, 5023511)]