8256940

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1319}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 17408160

約数和(自身を除く): 9151220

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1319, 1565, 2638, 3130, 5276, 6260, 6595, 13190, 26380, 412847, 825694, 1651388, 2064235, 4128470, 8256940]

約数ペア:

[(1, 8256940), (2, 4128470), (4, 2064235), (5, 1651388), (10, 825694), (20, 412847), (313, 26380), (626, 13190), (1252, 6595), (1319, 6260), (1565, 5276), (2638, 3130)]