64820740

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{14153}}^1$

素因数の和:14391

約数の個数: 24

約数和(自身を含む): 136727640

約数和(自身を除く): 71906900

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 14153, 28306, 56612, 70765, 141530, 283060, 3241037, 6482074, 12964148, 16205185, 32410370, 64820740]

約数ペア:

[(1, 64820740), (2, 32410370), (4, 16205185), (5, 12964148), (10, 6482074), (20, 3241037), (229, 283060), (458, 141530), (916, 70765), (1145, 56612), (2290, 28306), (4580, 14153)]