85857580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{225941}}^1$

素因数の和:225969

約数の個数: 24

約数和(自身を含む): 189791280

約数和(自身を除く): 103933700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 225941, 451882, 903764, 1129705, 2259410, 4292879, 4518820, 8585758, 17171516, 21464395, 42928790, 85857580]

約数ペア:

[(1, 85857580), (2, 42928790), (4, 21464395), (5, 17171516), (10, 8585758), (19, 4518820), (20, 4292879), (38, 2259410), (76, 1129705), (95, 903764), (190, 451882), (380, 225941)]