12879625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:91

約数の個数: 64

約数和(自身を含む): 20217600

約数和(自身を除く): 7337975

約数列:

[1, 5, 11, 17, 19, 25, 29, 55, 85, 95, 125, 145, 187, 209, 275, 319, 323, 425, 475, 493, 551, 725, 935, 1045, 1375, 1595, 1615, 2125, 2375, 2465, 2755, 3553, 3625, 4675, 5225, 5423, 6061, 7975, 8075, 9367, 12325, 13775, 17765, 23375, 26125, 27115, 30305, 39875, 40375, 46835, 61625, 68875, 88825, 103037, 135575, 151525, 234175, 444125, 515185, 677875, 757625, 1170875, 2575925, 12879625]

約数ペア:

[(1, 12879625), (5, 2575925), (11, 1170875), (17, 757625), (19, 677875), (25, 515185), (29, 444125), (55, 234175), (85, 151525), (95, 135575), (125, 103037), (145, 88825), (187, 68875), (209, 61625), (275, 46835), (319, 40375), (323, 39875), (425, 30305), (475, 27115), (493, 26125), (551, 23375), (725, 17765), (935, 13775), (1045, 12325), (1375, 9367), (1595, 8075), (1615, 7975), (2125, 6061), (2375, 5423), (2465, 5225), (2755, 4675), (3553, 3625)]