39678040

素因数分解:

$2^3\times 5^1\times {\mathrm{991951}}^1$

素因数の和:991962

約数の個数: 16

約数和(自身を含む): 89275680

約数和(自身を除く): 49597640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991951, 1983902, 3967804, 4959755, 7935608, 9919510, 19839020, 39678040]

約数ペア:

[(1, 39678040), (2, 19839020), (4, 9919510), (5, 7935608), (8, 4959755), (10, 3967804), (20, 1983902), (40, 991951)]