25860640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12433}}^1$

素因数の和:12461

約数の個数: 48

約数和(自身を含む): 65800728

約数和(自身を除く): 39940088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 12433, 24866, 49732, 62165, 99464, 124330, 161629, 198928, 248660, 323258, 397856, 497320, 646516, 808145, 994640, 1293032, 1616290, 1989280, 2586064, 3232580, 5172128, 6465160, 12930320, 25860640]

約数ペア:

[(1, 25860640), (2, 12930320), (4, 6465160), (5, 5172128), (8, 3232580), (10, 2586064), (13, 1989280), (16, 1616290), (20, 1293032), (26, 994640), (32, 808145), (40, 646516), (52, 497320), (65, 397856), (80, 323258), (104, 248660), (130, 198928), (160, 161629), (208, 124330), (260, 99464), (416, 62165), (520, 49732), (1040, 24866), (2080, 12433)]