205379710

素因数分解:

$2^1\times 5^1\times {\mathrm{2539}}^1\times {\mathrm{8089}}^1$

素因数の和:10635

約数の個数: 16

約数和(自身を含む): 369874800

約数和(自身を除く): 164495090

約数列:

[1, 2, 5, 10, 2539, 5078, 8089, 12695, 16178, 25390, 40445, 80890, 20537971, 41075942, 102689855, 205379710]

約数ペア:

[(1, 205379710), (2, 102689855), (5, 41075942), (10, 20537971), (2539, 80890), (5078, 40445), (8089, 25390), (12695, 16178)]