25988390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 51681888

約数和(自身を除く): 25693498

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 313, 361, 437, 626, 722, 874, 1565, 1805, 2185, 3130, 3610, 4370, 5947, 7199, 8303, 11894, 14398, 16606, 29735, 35995, 41515, 59470, 71990, 83030, 112993, 136781, 225986, 273562, 564965, 683905, 1129930, 1367810, 2598839, 5197678, 12994195, 25988390]

約数ペア:

[(1, 25988390), (2, 12994195), (5, 5197678), (10, 2598839), (19, 1367810), (23, 1129930), (38, 683905), (46, 564965), (95, 273562), (115, 225986), (190, 136781), (230, 112993), (313, 83030), (361, 71990), (437, 59470), (626, 41515), (722, 35995), (874, 29735), (1565, 16606), (1805, 14398), (2185, 11894), (3130, 8303), (3610, 7199), (4370, 5947)]