51555940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{36307}}^1$

素因数の和:36387

約数の個数: 24

約数和(自身を含む): 109795392

約数和(自身を除く): 58239452

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 36307, 72614, 145228, 181535, 363070, 726140, 2577797, 5155594, 10311188, 12888985, 25777970, 51555940]

約数ペア:

[(1, 51555940), (2, 25777970), (4, 12888985), (5, 10311188), (10, 5155594), (20, 2577797), (71, 726140), (142, 363070), (284, 181535), (355, 145228), (710, 72614), (1420, 36307)]