65381740

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{9421}}^1$

素因数の和:9777

約数の個数: 24

約数和(自身を含む): 137711952

約数和(自身を除く): 72330212

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 6940, 9421, 18842, 37684, 47105, 94210, 188420, 3269087, 6538174, 13076348, 16345435, 32690870, 65381740]

約数ペア:

[(1, 65381740), (2, 32690870), (4, 16345435), (5, 13076348), (10, 6538174), (20, 3269087), (347, 188420), (694, 94210), (1388, 47105), (1735, 37684), (3470, 18842), (6940, 9421)]