31516160

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:983

約数の個数: 80

約数和(自身を含む): 81463536

約数和(自身を除く): 49947376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 947, 1040, 1280, 1664, 1894, 2080, 2560, 3328, 3788, 4160, 4735, 6656, 7576, 8320, 9470, 12311, 15152, 16640, 18940, 24622, 30304, 33280, 37880, 49244, 60608, 61555, 75760, 98488, 121216, 123110, 151520, 196976, 242432, 246220, 303040, 393952, 484864, 492440, 606080, 787904, 984880, 1212160, 1575808, 1969760, 2424320, 3151616, 3939520, 6303232, 7879040, 15758080, 31516160]

約数ペア:

[(1, 31516160), (2, 15758080), (4, 7879040), (5, 6303232), (8, 3939520), (10, 3151616), (13, 2424320), (16, 1969760), (20, 1575808), (26, 1212160), (32, 984880), (40, 787904), (52, 606080), (64, 492440), (65, 484864), (80, 393952), (104, 303040), (128, 246220), (130, 242432), (160, 196976), (208, 151520), (256, 123110), (260, 121216), (320, 98488), (416, 75760), (512, 61555), (520, 60608), (640, 49244), (832, 37880), (947, 33280), (1040, 30304), (1280, 24622), (1664, 18940), (1894, 16640), (2080, 15152), (2560, 12311), (3328, 9470), (3788, 8320), (4160, 7576), (4735, 6656)]