201991376450

素因数分解:

$2^1\times 5^2\times {\mathrm{4039827529}}^1$

素因数の和:4039827541

約数の個数: 12

約数和(自身を含む): 375703960290

約数和(自身を除く): 173712583840

約数列:

[1, 2, 5, 10, 25, 50, 4039827529, 8079655058, 20199137645, 40398275290, 100995688225, 201991376450]

約数ペア:

[(1, 201991376450), (2, 100995688225), (5, 40398275290), (10, 20199137645), (25, 8079655058), (50, 4039827529)]