205990910

素因数分解:

$2^1\times 5^1\times {\mathrm{2521}}^1\times {\mathrm{8171}}^1$

素因数の和:10699

約数の個数: 16

約数和(自身を含む): 370976112

約数和(自身を除く): 164985202

約数列:

[1, 2, 5, 10, 2521, 5042, 8171, 12605, 16342, 25210, 40855, 81710, 20599091, 41198182, 102995455, 205990910]

約数ペア:

[(1, 205990910), (2, 102995455), (5, 41198182), (10, 20599091), (2521, 81710), (5042, 40855), (8171, 25210), (12605, 16342)]