205942180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{251149}}^1$

素因数の和:251199

約数の個数: 24

約数和(自身を含む): 443028600

約数和(自身を除く): 237086420

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 251149, 502298, 1004596, 1255745, 2511490, 5022980, 10297109, 20594218, 41188436, 51485545, 102971090, 205942180]

約数ペア:

[(1, 205942180), (2, 102971090), (4, 51485545), (5, 41188436), (10, 20594218), (20, 10297109), (41, 5022980), (82, 2511490), (164, 1255745), (205, 1004596), (410, 502298), (820, 251149)]