1399227320

素因数分解:

$2^3\times 5^1\times {\mathrm{5623}}^1\times {\mathrm{6221}}^1$

素因数の和:11855

約数の個数: 32

約数和(自身を含む): 3149327520

約数和(自身を除く): 1750100200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5623, 6221, 11246, 12442, 22492, 24884, 28115, 31105, 44984, 49768, 56230, 62210, 112460, 124420, 224920, 248840, 34980683, 69961366, 139922732, 174903415, 279845464, 349806830, 699613660, 1399227320]

約数ペア:

[(1, 1399227320), (2, 699613660), (4, 349806830), (5, 279845464), (8, 174903415), (10, 139922732), (20, 69961366), (40, 34980683), (5623, 248840), (6221, 224920), (11246, 124420), (12442, 112460), (22492, 62210), (24884, 56230), (28115, 49768), (31105, 44984)]