25856545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 38630592

約数和(自身を除く): 12774047

約数列:

[1, 5, 11, 13, 29, 43, 55, 65, 143, 145, 215, 319, 377, 473, 559, 715, 841, 1247, 1595, 1885, 2365, 2795, 4147, 4205, 6149, 6235, 9251, 10933, 13717, 16211, 20735, 30745, 36163, 46255, 54665, 68585, 81055, 120263, 178321, 180815, 397793, 470119, 601315, 891605, 1988965, 2350595, 5171309, 25856545]

約数ペア:

[(1, 25856545), (5, 5171309), (11, 2350595), (13, 1988965), (29, 891605), (43, 601315), (55, 470119), (65, 397793), (143, 180815), (145, 178321), (215, 120263), (319, 81055), (377, 68585), (473, 54665), (559, 46255), (715, 36163), (841, 30745), (1247, 20735), (1595, 16211), (1885, 13717), (2365, 10933), (2795, 9251), (4147, 6235), (4205, 6149)]