216822040

素因数分解:

$2^3\times 5^1\times {\mathrm{5420551}}^1$

素因数の和:5420562

約数の個数: 16

約数和(自身を含む): 487849680

約数和(自身を除く): 271027640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5420551, 10841102, 21682204, 27102755, 43364408, 54205510, 108411020, 216822040]

約数ペア:

[(1, 216822040), (2, 108411020), (4, 54205510), (5, 43364408), (8, 27102755), (10, 21682204), (20, 10841102), (40, 5420551)]