66240440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{236573}}^1$

素因数の和:236591

約数の個数: 32

約数和(自身を含む): 170333280

約数和(自身を除く): 104092840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 236573, 473146, 946292, 1182865, 1656011, 1892584, 2365730, 3312022, 4731460, 6624044, 8280055, 9462920, 13248088, 16560110, 33120220, 66240440]

約数ペア:

[(1, 66240440), (2, 33120220), (4, 16560110), (5, 13248088), (7, 9462920), (8, 8280055), (10, 6624044), (14, 4731460), (20, 3312022), (28, 2365730), (35, 1892584), (40, 1656011), (56, 1182865), (70, 946292), (140, 473146), (280, 236573)]