28439210

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{35999}}^1$

素因数の和:36085

約数の個数: 16

約数和(自身を含む): 51840000

約数和(自身を除く): 23400790

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 35999, 71998, 179995, 359990, 2843921, 5687842, 14219605, 28439210]

約数ペア:

[(1, 28439210), (2, 14219605), (5, 5687842), (10, 2843921), (79, 359990), (158, 179995), (395, 71998), (790, 35999)]