2500888905775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1249}}^1\times {\mathrm{212447}}^1$

素因数の和:213748

約数の個数: 48

約数和(自身を含む): 3457591200000

約数和(自身を除く): 956702294225

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1249, 1885, 6245, 9425, 16237, 31225, 36221, 81185, 181105, 212447, 405925, 470873, 905525, 1062235, 2354365, 2761811, 5311175, 6160963, 11771825, 13809055, 30804815, 69045275, 80092519, 154024075, 265346303, 400462595, 1326731515, 2002312975, 3449501939, 6633657575, 7695042787, 17247509695, 38475213935, 86237548475, 100035556231, 192376069675, 500177781155, 2500888905775]

約数ペア:

[(1, 2500888905775), (5, 500177781155), (13, 192376069675), (25, 100035556231), (29, 86237548475), (65, 38475213935), (145, 17247509695), (325, 7695042787), (377, 6633657575), (725, 3449501939), (1249, 2002312975), (1885, 1326731515), (6245, 400462595), (9425, 265346303), (16237, 154024075), (31225, 80092519), (36221, 69045275), (81185, 30804815), (181105, 13809055), (212447, 11771825), (405925, 6160963), (470873, 5311175), (905525, 2761811), (1062235, 2354365)]