39680840

素因数分解:

$2^3\times 5^1\times {\mathrm{992021}}^1$

素因数の和:992032

約数の個数: 16

約数和(自身を含む): 89281980

約数和(自身を除く): 49601140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 992021, 1984042, 3968084, 4960105, 7936168, 9920210, 19840420, 39680840]

約数ペア:

[(1, 39680840), (2, 19840420), (4, 9920210), (5, 7936168), (8, 4960105), (10, 3968084), (20, 1984042), (40, 992021)]