12491920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{22307}}^1$

素因数の和:22327

約数の個数: 40

約数和(自身を含む): 33194304

約数和(自身を除く): 20702384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 22307, 44614, 89228, 111535, 156149, 178456, 223070, 312298, 356912, 446140, 624596, 780745, 892280, 1249192, 1561490, 1784560, 2498384, 3122980, 6245960, 12491920]

約数ペア:

[(1, 12491920), (2, 6245960), (4, 3122980), (5, 2498384), (7, 1784560), (8, 1561490), (10, 1249192), (14, 892280), (16, 780745), (20, 624596), (28, 446140), (35, 356912), (40, 312298), (56, 223070), (70, 178456), (80, 156149), (112, 111535), (140, 89228), (280, 44614), (560, 22307)]