28125740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29921}}^1$

素因数の和:29977

約数の個数: 24

約数和(自身を含む): 60322752

約数和(自身を除く): 32197012

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 29921, 59842, 119684, 149605, 299210, 598420, 1406287, 2812574, 5625148, 7031435, 14062870, 28125740]

約数ペア:

[(1, 28125740), (2, 14062870), (4, 7031435), (5, 5625148), (10, 2812574), (20, 1406287), (47, 598420), (94, 299210), (188, 149605), (235, 119684), (470, 59842), (940, 29921)]