68710000

素因数分解:

$2^4\times 5^4\times {\mathrm{6871}}^1$

素因数の和:6899

約数の個数: 50

約数和(自身を含む): 166377992

約数和(自身を除く): 97667992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 6871, 10000, 13742, 27484, 34355, 54968, 68710, 109936, 137420, 171775, 274840, 343550, 549680, 687100, 858875, 1374200, 1717750, 2748400, 3435500, 4294375, 6871000, 8588750, 13742000, 17177500, 34355000, 68710000]

約数ペア:

[(1, 68710000), (2, 34355000), (4, 17177500), (5, 13742000), (8, 8588750), (10, 6871000), (16, 4294375), (20, 3435500), (25, 2748400), (40, 1717750), (50, 1374200), (80, 858875), (100, 687100), (125, 549680), (200, 343550), (250, 274840), (400, 171775), (500, 137420), (625, 109936), (1000, 68710), (1250, 54968), (2000, 34355), (2500, 27484), (5000, 13742), (6871, 10000)]