66680000

素因数分解:

$2^6\times 5^4\times {\mathrm{1667}}^1$

素因数の和:1699

約数の個数: 70

約数和(自身を含む): 165443916

約数和(自身を除く): 98763916

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1600, 1667, 2000, 2500, 3334, 4000, 5000, 6668, 8000, 8335, 10000, 13336, 16670, 20000, 26672, 33340, 40000, 41675, 53344, 66680, 83350, 106688, 133360, 166700, 208375, 266720, 333400, 416750, 533440, 666800, 833500, 1041875, 1333600, 1667000, 2083750, 2667200, 3334000, 4167500, 6668000, 8335000, 13336000, 16670000, 33340000, 66680000]

約数ペア:

[(1, 66680000), (2, 33340000), (4, 16670000), (5, 13336000), (8, 8335000), (10, 6668000), (16, 4167500), (20, 3334000), (25, 2667200), (32, 2083750), (40, 1667000), (50, 1333600), (64, 1041875), (80, 833500), (100, 666800), (125, 533440), (160, 416750), (200, 333400), (250, 266720), (320, 208375), (400, 166700), (500, 133360), (625, 106688), (800, 83350), (1000, 66680), (1250, 53344), (1600, 41675), (1667, 40000), (2000, 33340), (2500, 26672), (3334, 20000), (4000, 16670), (5000, 13336), (6668, 10000), (8000, 8335)]