2085685760

素因数分解:

$2^9\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18947}}^1$

素因数の和:19013

約数の個数: 80

約数和(自身を含む): 5117324256

約数和(自身を除く): 3031638496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 512, 640, 688, 860, 1280, 1376, 1720, 2560, 2752, 3440, 5504, 6880, 11008, 13760, 18947, 22016, 27520, 37894, 55040, 75788, 94735, 110080, 151576, 189470, 303152, 378940, 606304, 757880, 814721, 1212608, 1515760, 1629442, 2425216, 3031520, 3258884, 4073605, 4850432, 6063040, 6517768, 8147210, 9700864, 12126080, 13035536, 16294420, 24252160, 26071072, 32588840, 48504320, 52142144, 65177680, 104284288, 130355360, 208568576, 260710720, 417137152, 521421440, 1042842880, 2085685760]

約数ペア:

[(1, 2085685760), (2, 1042842880), (4, 521421440), (5, 417137152), (8, 260710720), (10, 208568576), (16, 130355360), (20, 104284288), (32, 65177680), (40, 52142144), (43, 48504320), (64, 32588840), (80, 26071072), (86, 24252160), (128, 16294420), (160, 13035536), (172, 12126080), (215, 9700864), (256, 8147210), (320, 6517768), (344, 6063040), (430, 4850432), (512, 4073605), (640, 3258884), (688, 3031520), (860, 2425216), (1280, 1629442), (1376, 1515760), (1720, 1212608), (2560, 814721), (2752, 757880), (3440, 606304), (5504, 378940), (6880, 303152), (11008, 189470), (13760, 151576), (18947, 110080), (22016, 94735), (27520, 75788), (37894, 55040)]