20157250

素因数分解:

$2^1\times 5^3\times {\mathrm{80629}}^1$

素因数の和:80646

約数の個数: 16

約数和(自身を含む): 37734840

約数和(自身を除く): 17577590

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 80629, 161258, 403145, 806290, 2015725, 4031450, 10078625, 20157250]

約数ペア:

[(1, 20157250), (2, 10078625), (5, 4031450), (10, 2015725), (25, 806290), (50, 403145), (125, 161258), (250, 80629)]