82661200

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1049}}^1$

素因数の和:1264

約数の個数: 60

約数和(自身を含む): 199791900

約数和(自身を除く): 117130700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 394, 400, 788, 985, 1049, 1576, 1970, 2098, 3152, 3940, 4196, 4925, 5245, 7880, 8392, 9850, 10490, 15760, 16784, 19700, 20980, 26225, 39400, 41960, 52450, 78800, 83920, 104900, 206653, 209800, 413306, 419600, 826612, 1033265, 1653224, 2066530, 3306448, 4133060, 5166325, 8266120, 10332650, 16532240, 20665300, 41330600, 82661200]

約数ペア:

[(1, 82661200), (2, 41330600), (4, 20665300), (5, 16532240), (8, 10332650), (10, 8266120), (16, 5166325), (20, 4133060), (25, 3306448), (40, 2066530), (50, 1653224), (80, 1033265), (100, 826612), (197, 419600), (200, 413306), (394, 209800), (400, 206653), (788, 104900), (985, 83920), (1049, 78800), (1576, 52450), (1970, 41960), (2098, 39400), (3152, 26225), (3940, 20980), (4196, 19700), (4925, 16784), (5245, 15760), (7880, 10490), (8392, 9850)]