820171175

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{4909}}^1$

素因数の和:5123

約数の個数: 24

約数和(自身を含む): 1048422480

約数和(自身を除く): 228251305

約数列:

[1, 5, 25, 41, 163, 205, 815, 1025, 4075, 4909, 6683, 24545, 33415, 122725, 167075, 201269, 800167, 1006345, 4000835, 5031725, 20004175, 32806847, 164034235, 820171175]

約数ペア:

[(1, 820171175), (5, 164034235), (25, 32806847), (41, 20004175), (163, 5031725), (205, 4000835), (815, 1006345), (1025, 800167), (4075, 201269), (4909, 167075), (6683, 122725), (24545, 33415)]