1665493460

素因数分解:

$2^2\times 5^1\times {\mathrm{2663}}^1\times {\mathrm{31271}}^1$

素因数の和:33943

約数の個数: 24

約数和(自身を含む): 3498961536

約数和(自身を除く): 1833468076

約数列:

[1, 2, 4, 5, 10, 20, 2663, 5326, 10652, 13315, 26630, 31271, 53260, 62542, 125084, 156355, 312710, 625420, 83274673, 166549346, 333098692, 416373365, 832746730, 1665493460]

約数ペア:

[(1, 1665493460), (2, 832746730), (4, 416373365), (5, 333098692), (10, 166549346), (20, 83274673), (2663, 625420), (5326, 312710), (10652, 156355), (13315, 125084), (26630, 62542), (31271, 53260)]