52820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:167

約数の個数: 24

約数和(自身を含む): 117600

約数和(自身を除く): 64780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1390, 2641, 2780, 5282, 10564, 13205, 26410, 52820]

約数ペア:

[(1, 52820), (2, 26410), (4, 13205), (5, 10564), (10, 5282), (19, 2780), (20, 2641), (38, 1390), (76, 695), (95, 556), (139, 380), (190, 278)]