12400555

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:606

約数の個数: 16

約数和(自身を含む): 15374304

約数和(自身を除く): 2973749

約数列:

[1, 5, 43, 137, 215, 421, 685, 2105, 5891, 18103, 29455, 57677, 90515, 288385, 2480111, 12400555]

約数ペア:

[(1, 12400555), (5, 2480111), (43, 288385), (137, 90515), (215, 57677), (421, 29455), (685, 18103), (2105, 5891)]