39275920

素因数分解:

$2^4\times 5^1\times {\mathrm{490949}}^1$

素因数の和:490962

約数の個数: 20

約数和(自身を含む): 91316700

約数和(自身を除く): 52040780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 490949, 981898, 1963796, 2454745, 3927592, 4909490, 7855184, 9818980, 19637960, 39275920]

約数ペア:

[(1, 39275920), (2, 19637960), (4, 9818980), (5, 7855184), (8, 4909490), (10, 3927592), (16, 2454745), (20, 1963796), (40, 981898), (80, 490949)]