8228840

素因数分解:

$2^3\times 5^1\times {\mathrm{205721}}^1$

素因数の和:205732

約数の個数: 16

約数和(自身を含む): 18514980

約数和(自身を除く): 10286140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 205721, 411442, 822884, 1028605, 1645768, 2057210, 4114420, 8228840]

約数ペア:

[(1, 8228840), (2, 4114420), (4, 2057210), (5, 1645768), (8, 1028605), (10, 822884), (20, 411442), (40, 205721)]