40320618

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{516931}}^1$

素因数の和:516949

約数の個数: 16

約数和(自身を含む): 86844576

約数和(自身を除く): 46523958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 516931, 1033862, 1550793, 3101586, 6720103, 13440206, 20160309, 40320618]

約数ペア:

[(1, 40320618), (2, 20160309), (3, 13440206), (6, 6720103), (13, 3101586), (26, 1550793), (39, 1033862), (78, 516931)]