66105880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{22639}}^1$

素因数の和:22723

約数の個数: 32

約数和(自身を含む): 150782400

約数和(自身を除く): 84676520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 22639, 45278, 90556, 113195, 181112, 226390, 452780, 905560, 1652647, 3305294, 6610588, 8263235, 13221176, 16526470, 33052940, 66105880]

約数ペア:

[(1, 66105880), (2, 33052940), (4, 16526470), (5, 13221176), (8, 8263235), (10, 6610588), (20, 3305294), (40, 1652647), (73, 905560), (146, 452780), (292, 226390), (365, 181112), (584, 113195), (730, 90556), (1460, 45278), (2920, 22639)]