39661240

素因数分解:

$2^3\times 5^1\times {\mathrm{991531}}^1$

素因数の和:991542

約数の個数: 16

約数和(自身を含む): 89237880

約数和(自身を除く): 49576640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991531, 1983062, 3966124, 4957655, 7932248, 9915310, 19830620, 39661240]

約数ペア:

[(1, 39661240), (2, 19830620), (4, 9915310), (5, 7932248), (8, 4957655), (10, 3966124), (20, 1983062), (40, 991531)]