31856740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{16421}}^1$

素因数の和:16527

約数の個数: 24

約数和(自身を含む): 67592952

約数和(自身を除く): 35736212

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 16421, 32842, 65684, 82105, 164210, 328420, 1592837, 3185674, 6371348, 7964185, 15928370, 31856740]

約数ペア:

[(1, 31856740), (2, 15928370), (4, 7964185), (5, 6371348), (10, 3185674), (20, 1592837), (97, 328420), (194, 164210), (388, 82105), (485, 65684), (970, 32842), (1940, 16421)]