80025320

素因数分解:

$2^3\times 5^1\times {\mathrm{2000633}}^1$

素因数の和:2000644

約数の個数: 16

約数和(自身を含む): 180057060

約数和(自身を除く): 100031740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2000633, 4001266, 8002532, 10003165, 16005064, 20006330, 40012660, 80025320]

約数ペア:

[(1, 80025320), (2, 40012660), (4, 20006330), (5, 16005064), (8, 10003165), (10, 8002532), (20, 4001266), (40, 2000633)]