64006640

素因数分解:

$2^4\times 5^1\times {\mathrm{800083}}^1$

素因数の和:800096

約数の個数: 20

約数和(自身を含む): 148815624

約数和(自身を除く): 84808984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 800083, 1600166, 3200332, 4000415, 6400664, 8000830, 12801328, 16001660, 32003320, 64006640]

約数ペア:

[(1, 64006640), (2, 32003320), (4, 16001660), (5, 12801328), (8, 8000830), (10, 6400664), (16, 4000415), (20, 3200332), (40, 1600166), (80, 800083)]