25278970

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{12703}}^1$

素因数の和:12909

約数の個数: 16

約数和(自身を含む): 45734400

約数和(自身を除く): 20455430

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 12703, 25406, 63515, 127030, 2527897, 5055794, 12639485, 25278970]

約数ペア:

[(1, 25278970), (2, 12639485), (5, 5055794), (10, 2527897), (199, 127030), (398, 63515), (995, 25406), (1990, 12703)]