99728780

素因数分解:

$2^2\times 5^1\times {\mathrm{4986439}}^1$

素因数の和:4986448

約数の個数: 12

約数和(自身を含む): 209430480

約数和(自身を除く): 109701700

約数列:

[1, 2, 4, 5, 10, 20, 4986439, 9972878, 19945756, 24932195, 49864390, 99728780]

約数ペア:

[(1, 99728780), (2, 49864390), (4, 24932195), (5, 19945756), (10, 9972878), (20, 4986439)]