56678020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{404843}}^1$

素因数の和:404859

約数の個数: 24

約数和(自身を含む): 136027584

約数和(自身を除く): 79349564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 404843, 809686, 1619372, 2024215, 2833901, 4048430, 5667802, 8096860, 11335604, 14169505, 28339010, 56678020]

約数ペア:

[(1, 56678020), (2, 28339010), (4, 14169505), (5, 11335604), (7, 8096860), (10, 5667802), (14, 4048430), (20, 2833901), (28, 2024215), (35, 1619372), (70, 809686), (140, 404843)]