85107820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26431}}^1$

素因数の和:26470

約数の個数: 48

約数和(自身を含む): 213147648

約数和(自身を除く): 128039828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 26431, 52862, 105724, 132155, 185017, 264310, 370034, 528620, 607913, 740068, 925085, 1215826, 1850170, 2431652, 3039565, 3700340, 4255391, 6079130, 8510782, 12158260, 17021564, 21276955, 42553910, 85107820]

約数ペア:

[(1, 85107820), (2, 42553910), (4, 21276955), (5, 17021564), (7, 12158260), (10, 8510782), (14, 6079130), (20, 4255391), (23, 3700340), (28, 3039565), (35, 2431652), (46, 1850170), (70, 1215826), (92, 925085), (115, 740068), (140, 607913), (161, 528620), (230, 370034), (322, 264310), (460, 185017), (644, 132155), (805, 105724), (1610, 52862), (3220, 26431)]