39881665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2131}}^1$

素因数の和:2352

約数の個数: 16

約数和(自身を含む): 50656320

約数和(自身を除く): 10774655

約数列:

[1, 5, 19, 95, 197, 985, 2131, 3743, 10655, 18715, 40489, 202445, 419807, 2099035, 7976333, 39881665]

約数ペア:

[(1, 39881665), (5, 7976333), (19, 2099035), (95, 419807), (197, 202445), (985, 40489), (2131, 18715), (3743, 10655)]