9912620

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1129}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 20882400

約数和(自身を除く): 10969780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1129, 1756, 2195, 2258, 4390, 4516, 5645, 8780, 11290, 22580, 495631, 991262, 1982524, 2478155, 4956310, 9912620]

約数ペア:

[(1, 9912620), (2, 4956310), (4, 2478155), (5, 1982524), (10, 991262), (20, 495631), (439, 22580), (878, 11290), (1129, 8780), (1756, 5645), (2195, 4516), (2258, 4390)]