200064820

素因数分解:

$2^2\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{8009}}^1$

素因数の和:9267

約数の個数: 24

約数和(自身を含む): 420525000

約数和(自身を除く): 220460180

約数列:

[1, 2, 4, 5, 10, 20, 1249, 2498, 4996, 6245, 8009, 12490, 16018, 24980, 32036, 40045, 80090, 160180, 10003241, 20006482, 40012964, 50016205, 100032410, 200064820]

約数ペア:

[(1, 200064820), (2, 100032410), (4, 50016205), (5, 40012964), (10, 20006482), (20, 10003241), (1249, 160180), (2498, 80090), (4996, 40045), (6245, 32036), (8009, 24980), (12490, 16018)]