13756840

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1439}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 17347160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1439, 1912, 2390, 2878, 4780, 5756, 7195, 9560, 11512, 14390, 28780, 57560, 343921, 687842, 1375684, 1719605, 2751368, 3439210, 6878420, 13756840]

約数ペア:

[(1, 13756840), (2, 6878420), (4, 3439210), (5, 2751368), (8, 1719605), (10, 1375684), (20, 687842), (40, 343921), (239, 57560), (478, 28780), (956, 14390), (1195, 11512), (1439, 9560), (1912, 7195), (2390, 5756), (2878, 4780)]