66207820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67559}}^1$

素因数の和:67582

約数の個数: 36

約数和(自身を含む): 161738640

約数和(自身を除く): 95530820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 67559, 135118, 270236, 337795, 472913, 675590, 945826, 1351180, 1891652, 2364565, 3310391, 4729130, 6620782, 9458260, 13241564, 16551955, 33103910, 66207820]

約数ペア:

[(1, 66207820), (2, 33103910), (4, 16551955), (5, 13241564), (7, 9458260), (10, 6620782), (14, 4729130), (20, 3310391), (28, 2364565), (35, 1891652), (49, 1351180), (70, 945826), (98, 675590), (140, 472913), (196, 337795), (245, 270236), (490, 135118), (980, 67559)]