85935640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{306913}}^1$

素因数の和:306931

約数の個数: 32

約数和(自身を含む): 220978080

約数和(自身を除く): 135042440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 306913, 613826, 1227652, 1534565, 2148391, 2455304, 3069130, 4296782, 6138260, 8593564, 10741955, 12276520, 17187128, 21483910, 42967820, 85935640]

約数ペア:

[(1, 85935640), (2, 42967820), (4, 21483910), (5, 17187128), (7, 12276520), (8, 10741955), (10, 8593564), (14, 6138260), (20, 4296782), (28, 3069130), (35, 2455304), (40, 2148391), (56, 1534565), (70, 1227652), (140, 613826), (280, 306913)]