8615672020

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{532489}}^1$

素因数の和:533307

約数の個数: 24

約数和(自身を含む): 18115309800

約数和(自身を除く): 9499637780

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 532489, 1064978, 2129956, 2662445, 5324890, 10649780, 430783601, 861567202, 1723134404, 2153918005, 4307836010, 8615672020]

約数ペア:

[(1, 8615672020), (2, 4307836010), (4, 2153918005), (5, 1723134404), (10, 861567202), (20, 430783601), (809, 10649780), (1618, 5324890), (3236, 2662445), (4045, 2129956), (8090, 1064978), (16180, 532489)]