40689925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5039}}^1$

素因数の和:5085

約数の個数: 24

約数和(自身を含む): 56246400

約数和(自身を除く): 15556475

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 5039, 8075, 25195, 85663, 95741, 125975, 428315, 478705, 1627597, 2141575, 2393525, 8137985, 40689925]

約数ペア:

[(1, 40689925), (5, 8137985), (17, 2393525), (19, 2141575), (25, 1627597), (85, 478705), (95, 428315), (323, 125975), (425, 95741), (475, 85663), (1615, 25195), (5039, 8075)]