40578020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{289843}}^1$

素因数の和:289859

約数の個数: 24

約数和(自身を含む): 97387584

約数和(自身を除く): 56809564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 289843, 579686, 1159372, 1449215, 2028901, 2898430, 4057802, 5796860, 8115604, 10144505, 20289010, 40578020]

約数ペア:

[(1, 40578020), (2, 20289010), (4, 10144505), (5, 8115604), (7, 5796860), (10, 4057802), (14, 2898430), (20, 2028901), (28, 1449215), (35, 1159372), (70, 579686), (140, 289843)]