25507690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 28924310

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 38, 46, 65, 95, 115, 130, 190, 230, 247, 299, 437, 449, 494, 598, 874, 898, 1235, 1495, 2185, 2245, 2470, 2990, 4370, 4490, 5681, 5837, 8531, 10327, 11362, 11674, 17062, 20654, 28405, 29185, 42655, 51635, 56810, 58370, 85310, 103270, 110903, 134251, 196213, 221806, 268502, 392426, 554515, 671255, 981065, 1109030, 1342510, 1962130, 2550769, 5101538, 12753845, 25507690]

約数ペア:

[(1, 25507690), (2, 12753845), (5, 5101538), (10, 2550769), (13, 1962130), (19, 1342510), (23, 1109030), (26, 981065), (38, 671255), (46, 554515), (65, 392426), (95, 268502), (115, 221806), (130, 196213), (190, 134251), (230, 110903), (247, 103270), (299, 85310), (437, 58370), (449, 56810), (494, 51635), (598, 42655), (874, 29185), (898, 28405), (1235, 20654), (1495, 17062), (2185, 11674), (2245, 11362), (2470, 10327), (2990, 8531), (4370, 5837), (4490, 5681)]