204858100

素因数分解:

$2^2\times 5^2\times {\mathrm{2048581}}^1$

素因数の和:2048595

約数の個数: 18

約数和(自身を含む): 444542294

約数和(自身を除く): 239684194

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2048581, 4097162, 8194324, 10242905, 20485810, 40971620, 51214525, 102429050, 204858100]

約数ペア:

[(1, 204858100), (2, 102429050), (4, 51214525), (5, 40971620), (10, 20485810), (20, 10242905), (25, 8194324), (50, 4097162), (100, 2048581)]