80412160

素因数分解:

$2^9\times 5^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:435

約数の個数: 80

約数和(自身を含む): 195335712

約数和(自身を除く): 114923552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 311, 320, 404, 505, 512, 622, 640, 808, 1010, 1244, 1280, 1555, 1616, 2020, 2488, 2560, 3110, 3232, 4040, 4976, 6220, 6464, 8080, 9952, 12440, 12928, 16160, 19904, 24880, 25856, 31411, 32320, 39808, 49760, 51712, 62822, 64640, 79616, 99520, 125644, 129280, 157055, 159232, 199040, 251288, 258560, 314110, 398080, 502576, 628220, 796160, 1005152, 1256440, 2010304, 2512880, 4020608, 5025760, 8041216, 10051520, 16082432, 20103040, 40206080, 80412160]

約数ペア:

[(1, 80412160), (2, 40206080), (4, 20103040), (5, 16082432), (8, 10051520), (10, 8041216), (16, 5025760), (20, 4020608), (32, 2512880), (40, 2010304), (64, 1256440), (80, 1005152), (101, 796160), (128, 628220), (160, 502576), (202, 398080), (256, 314110), (311, 258560), (320, 251288), (404, 199040), (505, 159232), (512, 157055), (622, 129280), (640, 125644), (808, 99520), (1010, 79616), (1244, 64640), (1280, 62822), (1555, 51712), (1616, 49760), (2020, 39808), (2488, 32320), (2560, 31411), (3110, 25856), (3232, 24880), (4040, 19904), (4976, 16160), (6220, 12928), (6464, 12440), (8080, 9952)]