24854420

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2531}}^1$

素因数の和:3031

約数の個数: 24

約数和(自身を含む): 52321248

約数和(自身を除く): 27466828

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 2531, 4910, 5062, 9820, 10124, 12655, 25310, 50620, 1242721, 2485442, 4970884, 6213605, 12427210, 24854420]

約数ペア:

[(1, 24854420), (2, 12427210), (4, 6213605), (5, 4970884), (10, 2485442), (20, 1242721), (491, 50620), (982, 25310), (1964, 12655), (2455, 10124), (2531, 9820), (4910, 5062)]