25516000

素因数分解:

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

素因数の和:6404

約数の個数: 48

約数和(自身を含む): 62702640

約数和(自身を除く): 37186640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 6379, 12758, 25516, 31895, 51032, 63790, 102064, 127580, 159475, 204128, 255160, 318950, 510320, 637900, 797375, 1020640, 1275800, 1594750, 2551600, 3189500, 5103200, 6379000, 12758000, 25516000]

約数ペア:

[(1, 25516000), (2, 12758000), (4, 6379000), (5, 5103200), (8, 3189500), (10, 2551600), (16, 1594750), (20, 1275800), (25, 1020640), (32, 797375), (40, 637900), (50, 510320), (80, 318950), (100, 255160), (125, 204128), (160, 159475), (200, 127580), (250, 102064), (400, 63790), (500, 51032), (800, 31895), (1000, 25516), (2000, 12758), (4000, 6379)]