4207340

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{997}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 8886192

約数和(自身を除く): 4678852

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 997, 1055, 1994, 2110, 3988, 4220, 4985, 9970, 19940, 210367, 420734, 841468, 1051835, 2103670, 4207340]

約数ペア:

[(1, 4207340), (2, 2103670), (4, 1051835), (5, 841468), (10, 420734), (20, 210367), (211, 19940), (422, 9970), (844, 4985), (997, 4220), (1055, 3988), (1994, 2110)]