25463740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 56659680

約数和(自身を除く): 31195940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1021, 1247, 2042, 2494, 4084, 4988, 5105, 6235, 10210, 12470, 20420, 24940, 29609, 43903, 59218, 87806, 118436, 148045, 175612, 219515, 296090, 439030, 592180, 878060, 1273187, 2546374, 5092748, 6365935, 12731870, 25463740]

約数ペア:

[(1, 25463740), (2, 12731870), (4, 6365935), (5, 5092748), (10, 2546374), (20, 1273187), (29, 878060), (43, 592180), (58, 439030), (86, 296090), (116, 219515), (145, 175612), (172, 148045), (215, 118436), (290, 87806), (430, 59218), (580, 43903), (860, 29609), (1021, 24940), (1247, 20420), (2042, 12470), (2494, 10210), (4084, 6235), (4988, 5105)]