8427740

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1489}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 17772720

約数和(自身を除く): 9344980

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 1489, 2830, 2978, 5660, 5956, 7445, 14890, 29780, 421387, 842774, 1685548, 2106935, 4213870, 8427740]

約数ペア:

[(1, 8427740), (2, 4213870), (4, 2106935), (5, 1685548), (10, 842774), (20, 421387), (283, 29780), (566, 14890), (1132, 7445), (1415, 5956), (1489, 5660), (2830, 2978)]