7820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:49

約数の個数: 24

約数和(自身を含む): 18144

約数和(自身を除く): 10324

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820]

約数ペア:

[(1, 7820), (2, 3910), (4, 1955), (5, 1564), (10, 782), (17, 460), (20, 391), (23, 340), (34, 230), (46, 170), (68, 115), (85, 92)]