638031740

素因数分解:

$2^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{58321}}^1$

素因数の和:58877

約数の個数: 24

約数和(自身を含む): 1342339152

約数和(自身を除く): 704307412

約数列:

[1, 2, 4, 5, 10, 20, 547, 1094, 2188, 2735, 5470, 10940, 58321, 116642, 233284, 291605, 583210, 1166420, 31901587, 63803174, 127606348, 159507935, 319015870, 638031740]

約数ペア:

[(1, 638031740), (2, 319015870), (4, 159507935), (5, 127606348), (10, 63803174), (20, 31901587), (547, 1166420), (1094, 583210), (2188, 291605), (2735, 233284), (5470, 116642), (10940, 58321)]