28087225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2039}}^1$

素因数の和:2097

約数の個数: 24

約数和(自身を含む): 37944000

約数和(自身を除く): 9856775

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 2039, 2755, 10195, 13775, 38741, 50975, 59131, 193705, 295655, 968525, 1123489, 1478275, 5617445, 28087225]

約数ペア:

[(1, 28087225), (5, 5617445), (19, 1478275), (25, 1123489), (29, 968525), (95, 295655), (145, 193705), (475, 59131), (551, 50975), (725, 38741), (2039, 13775), (2755, 10195)]