85032680

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20639}}^1$

素因数の和:20753

約数の個数: 32

約数和(自身を含む): 193190400

約数和(自身を除く): 108157720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 20639, 41278, 82556, 103195, 165112, 206390, 412780, 825560, 2125817, 4251634, 8503268, 10629085, 17006536, 21258170, 42516340, 85032680]

約数ペア:

[(1, 85032680), (2, 42516340), (4, 21258170), (5, 17006536), (8, 10629085), (10, 8503268), (20, 4251634), (40, 2125817), (103, 825560), (206, 412780), (412, 206390), (515, 165112), (824, 103195), (1030, 82556), (2060, 41278), (4120, 20639)]