12889580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1429}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 30270240

約数和(自身を除く): 17380660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1429, 1804, 2255, 2858, 4510, 5716, 7145, 9020, 14290, 15719, 28580, 31438, 58589, 62876, 78595, 117178, 157190, 234356, 292945, 314380, 585890, 644479, 1171780, 1288958, 2577916, 3222395, 6444790, 12889580]

約数ペア:

[(1, 12889580), (2, 6444790), (4, 3222395), (5, 2577916), (10, 1288958), (11, 1171780), (20, 644479), (22, 585890), (41, 314380), (44, 292945), (55, 234356), (82, 157190), (110, 117178), (164, 78595), (205, 62876), (220, 58589), (410, 31438), (451, 28580), (820, 15719), (902, 14290), (1429, 9020), (1804, 7145), (2255, 5716), (2858, 4510)]