2089021405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{110501}}^1$

素因数の和:110724

約数の個数: 16

約数和(自身を含む): 2652048000

約数和(自身を除く): 563026595

約数列:

[1, 5, 19, 95, 199, 995, 3781, 18905, 110501, 552505, 2099519, 10497595, 21989699, 109948495, 417804281, 2089021405]

約数ペア:

[(1, 2089021405), (5, 417804281), (19, 109948495), (95, 21989699), (199, 10497595), (995, 2099519), (3781, 552505), (18905, 110501)]