20197250

素因数分解:

$2^1\times 5^3\times {\mathrm{80789}}^1$

素因数の和:80806

約数の個数: 16

約数和(自身を含む): 37809720

約数和(自身を除く): 17612470

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 80789, 161578, 403945, 807890, 2019725, 4039450, 10098625, 20197250]

約数ペア:

[(1, 20197250), (2, 10098625), (5, 4039450), (10, 2019725), (25, 807890), (50, 403945), (125, 161578), (250, 80789)]