51380200

素因数分解:

$2^3\times 5^2\times {\mathrm{256901}}^1$

素因数の和:256917

約数の個数: 24

約数和(自身を含む): 119459430

約数和(自身を除く): 68079230

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 256901, 513802, 1027604, 1284505, 2055208, 2569010, 5138020, 6422525, 10276040, 12845050, 25690100, 51380200]

約数ペア:

[(1, 51380200), (2, 25690100), (4, 12845050), (5, 10276040), (8, 6422525), (10, 5138020), (20, 2569010), (25, 2055208), (40, 1284505), (50, 1027604), (100, 513802), (200, 256901)]