12637880

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2273}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 28652400

約数和(自身を除く): 16014520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2273, 2780, 4546, 5560, 9092, 11365, 18184, 22730, 45460, 90920, 315947, 631894, 1263788, 1579735, 2527576, 3159470, 6318940, 12637880]

約数ペア:

[(1, 12637880), (2, 6318940), (4, 3159470), (5, 2527576), (8, 1579735), (10, 1263788), (20, 631894), (40, 315947), (139, 90920), (278, 45460), (556, 22730), (695, 18184), (1112, 11365), (1390, 9092), (2273, 5560), (2780, 4546)]