210099580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{256219}}^1$

素因数の和:256269

約数の個数: 24

約数和(自身を含む): 451972080

約数和(自身を除く): 241872500

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 256219, 512438, 1024876, 1281095, 2562190, 5124380, 10504979, 21009958, 42019916, 52524895, 105049790, 210099580]

約数ペア:

[(1, 210099580), (2, 105049790), (4, 52524895), (5, 42019916), (10, 21009958), (20, 10504979), (41, 5124380), (82, 2562190), (164, 1281095), (205, 1024876), (410, 512438), (820, 256219)]