16564660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 40037760

約数和(自身を除く): 23473100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 661, 716, 895, 1253, 1322, 1790, 2506, 2644, 3305, 3580, 4627, 5012, 6265, 6610, 9254, 12530, 13220, 18508, 23135, 25060, 46270, 92540, 118319, 236638, 473276, 591595, 828233, 1183190, 1656466, 2366380, 3312932, 4141165, 8282330, 16564660]

約数ペア:

[(1, 16564660), (2, 8282330), (4, 4141165), (5, 3312932), (7, 2366380), (10, 1656466), (14, 1183190), (20, 828233), (28, 591595), (35, 473276), (70, 236638), (140, 118319), (179, 92540), (358, 46270), (661, 25060), (716, 23135), (895, 18508), (1253, 13220), (1322, 12530), (1790, 9254), (2506, 6610), (2644, 6265), (3305, 5012), (3580, 4627)]