26405225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 43538880

約数和(自身を除く): 17133655

約数列:

[1, 5, 7, 11, 25, 29, 35, 43, 55, 77, 121, 145, 175, 203, 215, 275, 301, 319, 385, 473, 605, 725, 847, 1015, 1075, 1247, 1505, 1595, 1925, 2233, 2365, 3025, 3311, 3509, 4235, 5075, 5203, 6235, 7525, 7975, 8729, 11165, 11825, 13717, 16555, 17545, 21175, 24563, 26015, 31175, 36421, 43645, 55825, 68585, 82775, 87725, 96019, 122815, 130075, 150887, 182105, 218225, 342925, 480095, 614075, 754435, 910525, 1056209, 2400475, 3772175, 5281045, 26405225]

約数ペア:

[(1, 26405225), (5, 5281045), (7, 3772175), (11, 2400475), (25, 1056209), (29, 910525), (35, 754435), (43, 614075), (55, 480095), (77, 342925), (121, 218225), (145, 182105), (175, 150887), (203, 130075), (215, 122815), (275, 96019), (301, 87725), (319, 82775), (385, 68585), (473, 55825), (605, 43645), (725, 36421), (847, 31175), (1015, 26015), (1075, 24563), (1247, 21175), (1505, 17545), (1595, 16555), (1925, 13717), (2233, 11825), (2365, 11165), (3025, 8729), (3311, 7975), (3509, 7525), (4235, 6235), (5075, 5203)]