40082000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{409}}^1$

素因数の和:446

約数の個数: 120

約数和(自身を含む): 113017320

約数和(自身を除く): 72935320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 409, 490, 500, 560, 700, 784, 818, 875, 980, 1000, 1225, 1400, 1636, 1750, 1960, 2000, 2045, 2450, 2800, 2863, 3272, 3500, 3920, 4090, 4900, 5726, 6125, 6544, 7000, 8180, 9800, 10225, 11452, 12250, 14000, 14315, 16360, 19600, 20041, 20450, 22904, 24500, 28630, 32720, 40082, 40900, 45808, 49000, 51125, 57260, 71575, 80164, 81800, 98000, 100205, 102250, 114520, 143150, 160328, 163600, 200410, 204500, 229040, 286300, 320656, 357875, 400820, 409000, 501025, 572600, 715750, 801640, 818000, 1002050, 1145200, 1431500, 1603280, 2004100, 2505125, 2863000, 4008200, 5010250, 5726000, 8016400, 10020500, 20041000, 40082000]

約数ペア:

[(1, 40082000), (2, 20041000), (4, 10020500), (5, 8016400), (7, 5726000), (8, 5010250), (10, 4008200), (14, 2863000), (16, 2505125), (20, 2004100), (25, 1603280), (28, 1431500), (35, 1145200), (40, 1002050), (49, 818000), (50, 801640), (56, 715750), (70, 572600), (80, 501025), (98, 409000), (100, 400820), (112, 357875), (125, 320656), (140, 286300), (175, 229040), (196, 204500), (200, 200410), (245, 163600), (250, 160328), (280, 143150), (350, 114520), (392, 102250), (400, 100205), (409, 98000), (490, 81800), (500, 80164), (560, 71575), (700, 57260), (784, 51125), (818, 49000), (875, 45808), (980, 40900), (1000, 40082), (1225, 32720), (1400, 28630), (1636, 24500), (1750, 22904), (1960, 20450), (2000, 20041), (2045, 19600), (2450, 16360), (2800, 14315), (2863, 14000), (3272, 12250), (3500, 11452), (3920, 10225), (4090, 9800), (4900, 8180), (5726, 7000), (6125, 6544)]