207322520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{50321}}^1$

素因数の和:50435

約数の個数: 32

約数和(自身を含む): 471013920

約数和(自身を除く): 263691400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 50321, 100642, 201284, 251605, 402568, 503210, 1006420, 2012840, 5183063, 10366126, 20732252, 25915315, 41464504, 51830630, 103661260, 207322520]

約数ペア:

[(1, 207322520), (2, 103661260), (4, 51830630), (5, 41464504), (8, 25915315), (10, 20732252), (20, 10366126), (40, 5183063), (103, 2012840), (206, 1006420), (412, 503210), (515, 402568), (824, 251605), (1030, 201284), (2060, 100642), (4120, 50321)]