212253640

素因数分解:

$2^3\times 5^1\times {\mathrm{5306341}}^1$

素因数の和:5306352

約数の個数: 16

約数和(自身を含む): 477570780

約数和(自身を除く): 265317140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5306341, 10612682, 21225364, 26531705, 42450728, 53063410, 106126820, 212253640]

約数ペア:

[(1, 212253640), (2, 106126820), (4, 53063410), (5, 42450728), (8, 26531705), (10, 21225364), (20, 10612682), (40, 5306341)]