850760

素因数分解:

$2^3\times 5^1\times {\mathrm{21269}}^1$

素因数の和:21280

約数の個数: 16

約数和(自身を含む): 1914300

約数和(自身を除く): 1063540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21269, 42538, 85076, 106345, 170152, 212690, 425380, 850760]

約数ペア:

[(1, 850760), (2, 425380), (4, 212690), (5, 170152), (8, 106345), (10, 85076), (20, 42538), (40, 21269)]