42719920

素因数分解:

$2^4\times 5^1\times {\mathrm{533999}}^1$

素因数の和:534012

約数の個数: 20

約数和(自身を含む): 99324000

約数和(自身を除く): 56604080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 533999, 1067998, 2135996, 2669995, 4271992, 5339990, 8543984, 10679980, 21359960, 42719920]

約数ペア:

[(1, 42719920), (2, 21359960), (4, 10679980), (5, 8543984), (8, 5339990), (10, 4271992), (16, 2669995), (20, 2135996), (40, 1067998), (80, 533999)]