213327280

素因数分解:

$2^4\times 5^1\times {\mathrm{2666591}}^1$

素因数の和:2666604

約数の個数: 20

約数和(自身を含む): 495986112

約数和(自身を除く): 282658832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2666591, 5333182, 10666364, 13332955, 21332728, 26665910, 42665456, 53331820, 106663640, 213327280]

約数ペア:

[(1, 213327280), (2, 106663640), (4, 53331820), (5, 42665456), (8, 26665910), (10, 21332728), (16, 13332955), (20, 10666364), (40, 5333182), (80, 2666591)]