42503920

素因数分解:

$2^4\times 5^1\times {\mathrm{531299}}^1$

素因数の和:531312

約数の個数: 20

約数和(自身を含む): 98821800

約数和(自身を除く): 56317880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 531299, 1062598, 2125196, 2656495, 4250392, 5312990, 8500784, 10625980, 21251960, 42503920]

約数ペア:

[(1, 42503920), (2, 21251960), (4, 10625980), (5, 8500784), (8, 5312990), (10, 4250392), (16, 2656495), (20, 2125196), (40, 1062598), (80, 531299)]