40999000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{5857}}^1$

素因数の和:5885

約数の個数: 64

約数和(自身を含む): 109661760

約数和(自身を除く): 68662760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 5857, 7000, 11714, 23428, 29285, 40999, 46856, 58570, 81998, 117140, 146425, 163996, 204995, 234280, 292850, 327992, 409990, 585700, 732125, 819980, 1024975, 1171400, 1464250, 1639960, 2049950, 2928500, 4099900, 5124875, 5857000, 8199800, 10249750, 20499500, 40999000]

約数ペア:

[(1, 40999000), (2, 20499500), (4, 10249750), (5, 8199800), (7, 5857000), (8, 5124875), (10, 4099900), (14, 2928500), (20, 2049950), (25, 1639960), (28, 1464250), (35, 1171400), (40, 1024975), (50, 819980), (56, 732125), (70, 585700), (100, 409990), (125, 327992), (140, 292850), (175, 234280), (200, 204995), (250, 163996), (280, 146425), (350, 117140), (500, 81998), (700, 58570), (875, 46856), (1000, 40999), (1400, 29285), (1750, 23428), (3500, 11714), (5857, 7000)]