42196088780

素因数分解:

$2^2\times 5^1\times {\mathrm{2109804439}}^1$

素因数の和:2109804448

約数の個数: 12

約数和(自身を含む): 88611786480

約数和(自身を除く): 46415697700

約数列:

[1, 2, 4, 5, 10, 20, 2109804439, 4219608878, 8439217756, 10549022195, 21098044390, 42196088780]

約数ペア:

[(1, 42196088780), (2, 21098044390), (4, 10549022195), (5, 8439217756), (10, 4219608878), (20, 2109804439)]