201409960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{70919}}^1$

素因数の和:71001

約数の個数: 32

約数和(自身を含む): 459561600

約数和(自身を除く): 258151640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 70919, 141838, 283676, 354595, 567352, 709190, 1418380, 2836760, 5035249, 10070498, 20140996, 25176245, 40281992, 50352490, 100704980, 201409960]

約数ペア:

[(1, 201409960), (2, 100704980), (4, 50352490), (5, 40281992), (8, 25176245), (10, 20140996), (20, 10070498), (40, 5035249), (71, 2836760), (142, 1418380), (284, 709190), (355, 567352), (568, 354595), (710, 283676), (1420, 141838), (2840, 70919)]