130078660

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{6563}}^1$

素因数の和:7563

約数の個数: 24

約数和(自身を含む): 273482496

約数和(自身を除く): 143403836

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 6563, 9910, 13126, 19820, 26252, 32815, 65630, 131260, 6503933, 13007866, 26015732, 32519665, 65039330, 130078660]

約数ペア:

[(1, 130078660), (2, 65039330), (4, 32519665), (5, 26015732), (10, 13007866), (20, 6503933), (991, 131260), (1982, 65630), (3964, 32815), (4955, 26252), (6563, 19820), (9910, 13126)]