40730420

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4639}}^1$

素因数の和:5087

約数の個数: 24

約数和(自身を含む): 85747200

約数和(自身を除く): 45016780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 4639, 8780, 9278, 18556, 23195, 46390, 92780, 2036521, 4073042, 8146084, 10182605, 20365210, 40730420]

約数ペア:

[(1, 40730420), (2, 20365210), (4, 10182605), (5, 8146084), (10, 4073042), (20, 2036521), (439, 92780), (878, 46390), (1756, 23195), (2195, 18556), (4390, 9278), (4639, 8780)]