13209620

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3319}}^1$

素因数の和:3527

約数の個数: 24

約数和(自身を含む): 27888000

約数和(自身を除く): 14678380

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3319, 3980, 6638, 13276, 16595, 33190, 66380, 660481, 1320962, 2641924, 3302405, 6604810, 13209620]

約数ペア:

[(1, 13209620), (2, 6604810), (4, 3302405), (5, 2641924), (10, 1320962), (20, 660481), (199, 66380), (398, 33190), (796, 16595), (995, 13276), (1990, 6638), (3319, 3980)]