2012128100

素因数分解:

$2^2\times 5^2\times {\mathrm{20121281}}^1$

素因数の和:20121295

約数の個数: 18

約数和(自身を含む): 4366318194

約数和(自身を除く): 2354190094

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20121281, 40242562, 80485124, 100606405, 201212810, 402425620, 503032025, 1006064050, 2012128100]

約数ペア:

[(1, 2012128100), (2, 1006064050), (4, 503032025), (5, 402425620), (10, 201212810), (20, 100606405), (25, 80485124), (50, 40242562), (100, 20121281)]