66190000

素因数分解:

$2^4\times 5^4\times {\mathrm{6619}}^1$

素因数の和:6647

約数の個数: 50

約数和(自身を含む): 160276820

約数和(自身を除く): 94086820

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, 6619, 10000, 13238, 26476, 33095, 52952, 66190, 105904, 132380, 165475, 264760, 330950, 529520, 661900, 827375, 1323800, 1654750, 2647600, 3309500, 4136875, 6619000, 8273750, 13238000, 16547500, 33095000, 66190000]

約数ペア:

[(1, 66190000), (2, 33095000), (4, 16547500), (5, 13238000), (8, 8273750), (10, 6619000), (16, 4136875), (20, 3309500), (25, 2647600), (40, 1654750), (50, 1323800), (80, 827375), (100, 661900), (125, 529520), (200, 330950), (250, 264760), (400, 165475), (500, 132380), (625, 105904), (1000, 66190), (1250, 52952), (2000, 33095), (2500, 26476), (5000, 13238), (6619, 10000)]