27683980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 61236000

約数和(自身を除く): 33552020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 290, 295, 580, 590, 809, 1180, 1618, 1711, 3236, 3422, 4045, 6844, 8090, 8555, 16180, 17110, 23461, 34220, 46922, 47731, 93844, 95462, 117305, 190924, 234610, 238655, 469220, 477310, 954620, 1384199, 2768398, 5536796, 6920995, 13841990, 27683980]

約数ペア:

[(1, 27683980), (2, 13841990), (4, 6920995), (5, 5536796), (10, 2768398), (20, 1384199), (29, 954620), (58, 477310), (59, 469220), (116, 238655), (118, 234610), (145, 190924), (236, 117305), (290, 95462), (295, 93844), (580, 47731), (590, 46922), (809, 34220), (1180, 23461), (1618, 17110), (1711, 16180), (3236, 8555), (3422, 8090), (4045, 6844)]