40490420

素因数分解:

$2^2\times 5^1\times {\mathrm{1193}}^1\times {\mathrm{1697}}^1$

素因数の和:2899

約数の個数: 24

約数和(自身を含む): 85151304

約数和(自身を除く): 44660884

約数列:

[1, 2, 4, 5, 10, 20, 1193, 1697, 2386, 3394, 4772, 5965, 6788, 8485, 11930, 16970, 23860, 33940, 2024521, 4049042, 8098084, 10122605, 20245210, 40490420]

約数ペア:

[(1, 40490420), (2, 20245210), (4, 10122605), (5, 8098084), (10, 4049042), (20, 2024521), (1193, 33940), (1697, 23860), (2386, 16970), (3394, 11930), (4772, 8485), (5965, 6788)]