39990665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{55931}}^1$

素因数の和:55960

約数の個数: 16

約数和(自身を含む): 56379456

約数和(自身を除く): 16388791

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 55931, 279655, 615241, 727103, 3076205, 3635515, 7998133, 39990665]

約数ペア:

[(1, 39990665), (5, 7998133), (11, 3635515), (13, 3076205), (55, 727103), (65, 615241), (143, 279655), (715, 55931)]