164028100

素因数分解:

$2^2\times 5^2\times {\mathrm{1640281}}^1$

素因数の和:1640295

約数の個数: 18

約数和(自身を含む): 355941194

約数和(自身を除く): 191913094

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1640281, 3280562, 6561124, 8201405, 16402810, 32805620, 41007025, 82014050, 164028100]

約数ペア:

[(1, 164028100), (2, 82014050), (4, 41007025), (5, 32805620), (10, 16402810), (20, 8201405), (25, 6561124), (50, 3280562), (100, 1640281)]