12758000

素因数分解:

$2^4\times 5^3\times {\mathrm{6379}}^1$

素因数の和:6402

約数の個数: 40

約数和(自身を含む): 30853680

約数和(自身を除く): 18095680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 6379, 12758, 25516, 31895, 51032, 63790, 102064, 127580, 159475, 255160, 318950, 510320, 637900, 797375, 1275800, 1594750, 2551600, 3189500, 6379000, 12758000]

約数ペア:

[(1, 12758000), (2, 6379000), (4, 3189500), (5, 2551600), (8, 1594750), (10, 1275800), (16, 797375), (20, 637900), (25, 510320), (40, 318950), (50, 255160), (80, 159475), (100, 127580), (125, 102064), (200, 63790), (250, 51032), (400, 31895), (500, 25516), (1000, 12758), (2000, 6379)]