42097040

素因数分解:

$2^4\times 5^1\times {\mathrm{526213}}^1$

素因数の和:526226

約数の個数: 20

約数和(自身を含む): 97875804

約数和(自身を除く): 55778764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 526213, 1052426, 2104852, 2631065, 4209704, 5262130, 8419408, 10524260, 21048520, 42097040]

約数ペア:

[(1, 42097040), (2, 21048520), (4, 10524260), (5, 8419408), (8, 5262130), (10, 4209704), (16, 2631065), (20, 2104852), (40, 1052426), (80, 526213)]