85684400

素因数分解:

$2^4\times 5^2\times {\mathrm{214211}}^1$

素因数の和:214229

約数の個数: 30

約数和(自身を含む): 205857732

約数和(自身を除く): 120173332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 214211, 428422, 856844, 1071055, 1713688, 2142110, 3427376, 4284220, 5355275, 8568440, 10710550, 17136880, 21421100, 42842200, 85684400]

約数ペア:

[(1, 85684400), (2, 42842200), (4, 21421100), (5, 17136880), (8, 10710550), (10, 8568440), (16, 5355275), (20, 4284220), (25, 3427376), (40, 2142110), (50, 1713688), (80, 1071055), (100, 856844), (200, 428422), (400, 214211)]