639841610

素因数分解:

$2^1\times 5^1\times {\mathrm{2423}}^1\times {\mathrm{26407}}^1$

素因数の和:28837

約数の個数: 16

約数和(自身を含む): 1152233856

約数和(自身を除く): 512392246

約数列:

[1, 2, 5, 10, 2423, 4846, 12115, 24230, 26407, 52814, 132035, 264070, 63984161, 127968322, 319920805, 639841610]

約数ペア:

[(1, 639841610), (2, 319920805), (5, 127968322), (10, 63984161), (2423, 264070), (4846, 132035), (12115, 52814), (24230, 26407)]