2080506688

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131611}}^1$

素因数の和:131655

約数の個数: 56

約数和(自身を含む): 4680122720

約数和(自身を除く): 2599616032

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 3952, 7904, 15808, 131611, 263222, 526444, 1052888, 1710943, 2105776, 2500609, 3421886, 4211552, 5001218, 6843772, 8423104, 10002436, 13687544, 20004872, 27375088, 32507917, 40009744, 54750176, 65015834, 80019488, 109500352, 130031668, 160038976, 260063336, 520126672, 1040253344, 2080506688]

約数ペア:

[(1, 2080506688), (2, 1040253344), (4, 520126672), (8, 260063336), (13, 160038976), (16, 130031668), (19, 109500352), (26, 80019488), (32, 65015834), (38, 54750176), (52, 40009744), (64, 32507917), (76, 27375088), (104, 20004872), (152, 13687544), (208, 10002436), (247, 8423104), (304, 6843772), (416, 5001218), (494, 4211552), (608, 3421886), (832, 2500609), (988, 2105776), (1216, 1710943), (1976, 1052888), (3952, 526444), (7904, 263222), (15808, 131611)]