79911040

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11351}}^1$

素因数の和:11381

約数の個数: 64

約数和(自身を含む): 208422720

約数和(自身を除く): 128511680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 11351, 22702, 45404, 56755, 90808, 113510, 124861, 181616, 227020, 249722, 363232, 454040, 499444, 624305, 726464, 908080, 998888, 1248610, 1452928, 1816160, 1997776, 2497220, 3632320, 3995552, 4994440, 7264640, 7991104, 9988880, 15982208, 19977760, 39955520, 79911040]

約数ペア:

[(1, 79911040), (2, 39955520), (4, 19977760), (5, 15982208), (8, 9988880), (10, 7991104), (11, 7264640), (16, 4994440), (20, 3995552), (22, 3632320), (32, 2497220), (40, 1997776), (44, 1816160), (55, 1452928), (64, 1248610), (80, 998888), (88, 908080), (110, 726464), (128, 624305), (160, 499444), (176, 454040), (220, 363232), (320, 249722), (352, 227020), (440, 181616), (640, 124861), (704, 113510), (880, 90808), (1408, 56755), (1760, 45404), (3520, 22702), (7040, 11351)]