61747940

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{5407}}^1$

素因数の和:5987

約数の個数: 24

約数和(自身を含む): 129921792

約数和(自身を除く): 68173852

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5407, 5710, 10814, 11420, 21628, 27035, 54070, 108140, 3087397, 6174794, 12349588, 15436985, 30873970, 61747940]

約数ペア:

[(1, 61747940), (2, 30873970), (4, 15436985), (5, 12349588), (10, 6174794), (20, 3087397), (571, 108140), (1142, 54070), (2284, 27035), (2855, 21628), (5407, 11420), (5710, 10814)]