28505492740

素因数分解:

$2^2\times 5^1\times {\mathrm{1907}}^1\times {\mathrm{747391}}^1$

素因数の和:749307

約数の個数: 24

約数和(自身を含む): 59893005312

約数和(自身を除く): 31387512572

約数列:

[1, 2, 4, 5, 10, 20, 1907, 3814, 7628, 9535, 19070, 38140, 747391, 1494782, 2989564, 3736955, 7473910, 14947820, 1425274637, 2850549274, 5701098548, 7126373185, 14252746370, 28505492740]

約数ペア:

[(1, 28505492740), (2, 14252746370), (4, 7126373185), (5, 5701098548), (10, 2850549274), (20, 1425274637), (1907, 14947820), (3814, 7473910), (7628, 3736955), (9535, 2989564), (19070, 1494782), (38140, 747391)]