28639480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{523}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 66354120

約数和(自身を除く): 37714640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 523, 740, 1046, 1369, 1480, 2092, 2615, 2738, 4184, 5230, 5476, 6845, 10460, 10952, 13690, 19351, 20920, 27380, 38702, 54760, 77404, 96755, 154808, 193510, 387020, 715987, 774040, 1431974, 2863948, 3579935, 5727896, 7159870, 14319740, 28639480]

約数ペア:

[(1, 28639480), (2, 14319740), (4, 7159870), (5, 5727896), (8, 3579935), (10, 2863948), (20, 1431974), (37, 774040), (40, 715987), (74, 387020), (148, 193510), (185, 154808), (296, 96755), (370, 77404), (523, 54760), (740, 38702), (1046, 27380), (1369, 20920), (1480, 19351), (2092, 13690), (2615, 10952), (2738, 10460), (4184, 6845), (5230, 5476)]