855160

素因数分解:

$2^3\times 5^1\times {\mathrm{21379}}^1$

素因数の和:21390

約数の個数: 16

約数和(自身を含む): 1924200

約数和(自身を除く): 1069040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21379, 42758, 85516, 106895, 171032, 213790, 427580, 855160]

約数ペア:

[(1, 855160), (2, 427580), (4, 213790), (5, 171032), (8, 106895), (10, 85516), (20, 42758), (40, 21379)]