28541660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{203869}}^1$

素因数の和:203885

約数の個数: 24

約数和(自身を含む): 68500320

約数和(自身を除く): 39958660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 203869, 407738, 815476, 1019345, 1427083, 2038690, 2854166, 4077380, 5708332, 7135415, 14270830, 28541660]

約数ペア:

[(1, 28541660), (2, 14270830), (4, 7135415), (5, 5708332), (7, 4077380), (10, 2854166), (14, 2038690), (20, 1427083), (28, 1019345), (35, 815476), (70, 407738), (140, 203869)]