220212040

素因数分解:

$2^3\times 5^1\times {\mathrm{5505301}}^1$

素因数の和:5505312

約数の個数: 16

約数和(自身を含む): 495477180

約数和(自身を除く): 275265140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5505301, 11010602, 22021204, 27526505, 44042408, 55053010, 110106020, 220212040]

約数ペア:

[(1, 220212040), (2, 110106020), (4, 55053010), (5, 44042408), (8, 27526505), (10, 22021204), (20, 11010602), (40, 5505301)]