7420940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8629}}^1$

素因数の和:8681

約数の個数: 24

約数和(自身を含む): 15948240

約数和(自身を除く): 8527300

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 8629, 17258, 34516, 43145, 86290, 172580, 371047, 742094, 1484188, 1855235, 3710470, 7420940]

約数ペア:

[(1, 7420940), (2, 3710470), (4, 1855235), (5, 1484188), (10, 742094), (20, 371047), (43, 172580), (86, 86290), (172, 43145), (215, 34516), (430, 17258), (860, 8629)]