80164000

素因数分解:

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

素因数の和:448

約数の個数: 144

約数和(自身を含む): 229680360

約数和(自身を除く): 149516360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 350, 392, 400, 409, 490, 500, 560, 700, 784, 800, 818, 875, 980, 1000, 1120, 1225, 1400, 1568, 1636, 1750, 1960, 2000, 2045, 2450, 2800, 2863, 3272, 3500, 3920, 4000, 4090, 4900, 5600, 5726, 6125, 6544, 7000, 7840, 8180, 9800, 10225, 11452, 12250, 13088, 14000, 14315, 16360, 19600, 20041, 20450, 22904, 24500, 28000, 28630, 32720, 39200, 40082, 40900, 45808, 49000, 51125, 57260, 65440, 71575, 80164, 81800, 91616, 98000, 100205, 102250, 114520, 143150, 160328, 163600, 196000, 200410, 204500, 229040, 286300, 320656, 327200, 357875, 400820, 409000, 458080, 501025, 572600, 641312, 715750, 801640, 818000, 1002050, 1145200, 1431500, 1603280, 1636000, 2004100, 2290400, 2505125, 2863000, 3206560, 4008200, 5010250, 5726000, 8016400, 10020500, 11452000, 16032800, 20041000, 40082000, 80164000]

約数ペア:

[(1, 80164000), (2, 40082000), (4, 20041000), (5, 16032800), (7, 11452000), (8, 10020500), (10, 8016400), (14, 5726000), (16, 5010250), (20, 4008200), (25, 3206560), (28, 2863000), (32, 2505125), (35, 2290400), (40, 2004100), (49, 1636000), (50, 1603280), (56, 1431500), (70, 1145200), (80, 1002050), (98, 818000), (100, 801640), (112, 715750), (125, 641312), (140, 572600), (160, 501025), (175, 458080), (196, 409000), (200, 400820), (224, 357875), (245, 327200), (250, 320656), (280, 286300), (350, 229040), (392, 204500), (400, 200410), (409, 196000), (490, 163600), (500, 160328), (560, 143150), (700, 114520), (784, 102250), (800, 100205), (818, 98000), (875, 91616), (980, 81800), (1000, 80164), (1120, 71575), (1225, 65440), (1400, 57260), (1568, 51125), (1636, 49000), (1750, 45808), (1960, 40900), (2000, 40082), (2045, 39200), (2450, 32720), (2800, 28630), (2863, 28000), (3272, 24500), (3500, 22904), (3920, 20450), (4000, 20041), (4090, 19600), (4900, 16360), (5600, 14315), (5726, 14000), (6125, 13088), (6544, 12250), (7000, 11452), (7840, 10225), (8180, 9800)]