4222000

素因数分解:

$2^4\times 5^3\times {\mathrm{2111}}^1$

素因数の和:2134

約数の個数: 40

約数和(自身を含む): 10213632

約数和(自身を除く): 5991632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 2111, 4222, 8444, 10555, 16888, 21110, 33776, 42220, 52775, 84440, 105550, 168880, 211100, 263875, 422200, 527750, 844400, 1055500, 2111000, 4222000]

約数ペア:

[(1, 4222000), (2, 2111000), (4, 1055500), (5, 844400), (8, 527750), (10, 422200), (16, 263875), (20, 211100), (25, 168880), (40, 105550), (50, 84440), (80, 52775), (100, 42220), (125, 33776), (200, 21110), (250, 16888), (400, 10555), (500, 8444), (1000, 4222), (2000, 2111)]