39195280

素因数分解:

$2^4\times 5^1\times {\mathrm{489941}}^1$

素因数の和:489954

約数の個数: 20

約数和(自身を含む): 91129212

約数和(自身を除く): 51933932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 489941, 979882, 1959764, 2449705, 3919528, 4899410, 7839056, 9798820, 19597640, 39195280]

約数ペア:

[(1, 39195280), (2, 19597640), (4, 9798820), (5, 7839056), (8, 4899410), (10, 3919528), (16, 2449705), (20, 1959764), (40, 979882), (80, 489941)]