80276690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47501}}^1$

素因数の和:47534

約数の個数: 24

約数和(自身を含む): 156471588

約数和(自身を除く): 76194898

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 47501, 95002, 237505, 475010, 617513, 1235026, 3087565, 6175130, 8027669, 16055338, 40138345, 80276690]

約数ペア:

[(1, 80276690), (2, 40138345), (5, 16055338), (10, 8027669), (13, 6175130), (26, 3087565), (65, 1235026), (130, 617513), (169, 475010), (338, 237505), (845, 95002), (1690, 47501)]