13056920

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{727}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 29484000

約数和(自身を除く): 16427080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 727, 898, 1454, 1796, 2245, 2908, 3592, 3635, 4490, 5816, 7270, 8980, 14540, 17960, 29080, 326423, 652846, 1305692, 1632115, 2611384, 3264230, 6528460, 13056920]

約数ペア:

[(1, 13056920), (2, 6528460), (4, 3264230), (5, 2611384), (8, 1632115), (10, 1305692), (20, 652846), (40, 326423), (449, 29080), (727, 17960), (898, 14540), (1454, 8980), (1796, 7270), (2245, 5816), (2908, 4490), (3592, 3635)]