2017377680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{2087}}^1$

素因数の和:2424

約数の個数: 80

約数和(自身を含む): 4818870144

約数和(自身を除く): 2801492464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 281, 344, 430, 562, 688, 860, 1124, 1405, 1720, 2087, 2248, 2810, 3440, 4174, 4496, 5620, 8348, 10435, 11240, 12083, 16696, 20870, 22480, 24166, 33392, 41740, 48332, 60415, 83480, 89741, 96664, 120830, 166960, 179482, 193328, 241660, 358964, 448705, 483320, 586447, 717928, 897410, 966640, 1172894, 1435856, 1794820, 2345788, 2932235, 3589640, 4691576, 5864470, 7179280, 9383152, 11728940, 23457880, 25217221, 46915760, 50434442, 100868884, 126086105, 201737768, 252172210, 403475536, 504344420, 1008688840, 2017377680]

約数ペア:

[(1, 2017377680), (2, 1008688840), (4, 504344420), (5, 403475536), (8, 252172210), (10, 201737768), (16, 126086105), (20, 100868884), (40, 50434442), (43, 46915760), (80, 25217221), (86, 23457880), (172, 11728940), (215, 9383152), (281, 7179280), (344, 5864470), (430, 4691576), (562, 3589640), (688, 2932235), (860, 2345788), (1124, 1794820), (1405, 1435856), (1720, 1172894), (2087, 966640), (2248, 897410), (2810, 717928), (3440, 586447), (4174, 483320), (4496, 448705), (5620, 358964), (8348, 241660), (10435, 193328), (11240, 179482), (12083, 166960), (16696, 120830), (20870, 96664), (22480, 89741), (24166, 83480), (33392, 60415), (41740, 48332)]