508729780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1956653}}^1$

素因数の和:1956675

約数の個数: 24

約数和(自身を含む): 1150512552

約数和(自身を除く): 641782772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1956653, 3913306, 7826612, 9783265, 19566530, 25436489, 39133060, 50872978, 101745956, 127182445, 254364890, 508729780]

約数ペア:

[(1, 508729780), (2, 254364890), (4, 127182445), (5, 101745956), (10, 50872978), (13, 39133060), (20, 25436489), (26, 19566530), (52, 9783265), (65, 7826612), (130, 3913306), (260, 1956653)]