56640805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{45863}}^1$

素因数の和:45900

約数の個数: 16

約数和(自身を含む): 77051520

約数和(自身を除く): 20410715

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 45863, 229315, 596219, 871397, 2981095, 4356985, 11328161, 56640805]

約数ペア:

[(1, 56640805), (5, 11328161), (13, 4356985), (19, 2981095), (65, 871397), (95, 596219), (247, 229315), (1235, 45863)]