210080440

素因数分解:

$2^3\times 5^1\times {\mathrm{5252011}}^1$

素因数の和:5252022

約数の個数: 16

約数和(自身を含む): 472681080

約数和(自身を除く): 262600640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5252011, 10504022, 21008044, 26260055, 42016088, 52520110, 105040220, 210080440]

約数ペア:

[(1, 210080440), (2, 105040220), (4, 52520110), (5, 42016088), (8, 26260055), (10, 21008044), (20, 10504022), (40, 5252011)]