12498320

素因数分解:

$2^4\times 5^1\times {\mathrm{156229}}^1$

素因数の和:156242

約数の個数: 20

約数和(自身を含む): 29058780

約数和(自身を除く): 16560460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 156229, 312458, 624916, 781145, 1249832, 1562290, 2499664, 3124580, 6249160, 12498320]

約数ペア:

[(1, 12498320), (2, 6249160), (4, 3124580), (5, 2499664), (8, 1562290), (10, 1249832), (16, 781145), (20, 624916), (40, 312458), (80, 156229)]