8641540

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{859}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 18204480

約数和(自身を除く): 9562940

約数列:

[1, 2, 4, 5, 10, 20, 503, 859, 1006, 1718, 2012, 2515, 3436, 4295, 5030, 8590, 10060, 17180, 432077, 864154, 1728308, 2160385, 4320770, 8641540]

約数ペア:

[(1, 8641540), (2, 4320770), (4, 2160385), (5, 1728308), (10, 864154), (20, 432077), (503, 17180), (859, 10060), (1006, 8590), (1718, 5030), (2012, 4295), (2515, 3436)]