80869600

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{2063}}^1$

素因数の和:2097

約数の個数: 108

約数和(自身を含む): 229766544

約数和(自身を除く): 148896944

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, 140, 160, 175, 196, 200, 224, 245, 280, 350, 392, 400, 490, 560, 700, 784, 800, 980, 1120, 1225, 1400, 1568, 1960, 2063, 2450, 2800, 3920, 4126, 4900, 5600, 7840, 8252, 9800, 10315, 14441, 16504, 19600, 20630, 28882, 33008, 39200, 41260, 51575, 57764, 66016, 72205, 82520, 101087, 103150, 115528, 144410, 165040, 202174, 206300, 231056, 288820, 330080, 361025, 404348, 412600, 462112, 505435, 577640, 722050, 808696, 825200, 1010870, 1155280, 1444100, 1617392, 1650400, 2021740, 2310560, 2527175, 2888200, 3234784, 4043480, 5054350, 5776400, 8086960, 10108700, 11552800, 16173920, 20217400, 40434800, 80869600]

約数ペア:

[(1, 80869600), (2, 40434800), (4, 20217400), (5, 16173920), (7, 11552800), (8, 10108700), (10, 8086960), (14, 5776400), (16, 5054350), (20, 4043480), (25, 3234784), (28, 2888200), (32, 2527175), (35, 2310560), (40, 2021740), (49, 1650400), (50, 1617392), (56, 1444100), (70, 1155280), (80, 1010870), (98, 825200), (100, 808696), (112, 722050), (140, 577640), (160, 505435), (175, 462112), (196, 412600), (200, 404348), (224, 361025), (245, 330080), (280, 288820), (350, 231056), (392, 206300), (400, 202174), (490, 165040), (560, 144410), (700, 115528), (784, 103150), (800, 101087), (980, 82520), (1120, 72205), (1225, 66016), (1400, 57764), (1568, 51575), (1960, 41260), (2063, 39200), (2450, 33008), (2800, 28882), (3920, 20630), (4126, 19600), (4900, 16504), (5600, 14441), (7840, 10315), (8252, 9800)]