89966080

素因数分解:

$2^9\times 5^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:447

約数の個数: 80

約数和(自身を含む): 218316384

約数和(自身を除く): 128350304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 256, 311, 320, 452, 512, 565, 622, 640, 904, 1130, 1244, 1280, 1555, 1808, 2260, 2488, 2560, 3110, 3616, 4520, 4976, 6220, 7232, 9040, 9952, 12440, 14464, 18080, 19904, 24880, 28928, 35143, 36160, 39808, 49760, 57856, 70286, 72320, 79616, 99520, 140572, 144640, 159232, 175715, 199040, 281144, 289280, 351430, 398080, 562288, 702860, 796160, 1124576, 1405720, 2249152, 2811440, 4498304, 5622880, 8996608, 11245760, 17993216, 22491520, 44983040, 89966080]

約数ペア:

[(1, 89966080), (2, 44983040), (4, 22491520), (5, 17993216), (8, 11245760), (10, 8996608), (16, 5622880), (20, 4498304), (32, 2811440), (40, 2249152), (64, 1405720), (80, 1124576), (113, 796160), (128, 702860), (160, 562288), (226, 398080), (256, 351430), (311, 289280), (320, 281144), (452, 199040), (512, 175715), (565, 159232), (622, 144640), (640, 140572), (904, 99520), (1130, 79616), (1244, 72320), (1280, 70286), (1555, 57856), (1808, 49760), (2260, 39808), (2488, 36160), (2560, 35143), (3110, 28928), (3616, 24880), (4520, 19904), (4976, 18080), (6220, 14464), (7232, 12440), (9040, 9952)]