201990050

素因数分解:

$2^1\times 5^2\times {\mathrm{4039801}}^1$

素因数の和:4039813

約数の個数: 12

約数和(自身を含む): 375701586

約数和(自身を除く): 173711536

約数列:

[1, 2, 5, 10, 25, 50, 4039801, 8079602, 20199005, 40398010, 100995025, 201990050]

約数ペア:

[(1, 201990050), (2, 100995025), (5, 40398010), (10, 20199005), (25, 8079602), (50, 4039801)]