85052780

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{21587}}^1$

素因数の和:21793

約数の個数: 24

約数和(自身を含む): 179525808

約数和(自身を除く): 94473028

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 21587, 43174, 86348, 107935, 215870, 431740, 4252639, 8505278, 17010556, 21263195, 42526390, 85052780]

約数ペア:

[(1, 85052780), (2, 42526390), (4, 21263195), (5, 17010556), (10, 8505278), (20, 4252639), (197, 431740), (394, 215870), (788, 107935), (985, 86348), (1970, 43174), (3940, 21587)]