81583060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{24137}}^1$

素因数の和:24172

約数の個数: 36

約数和(自身を含む): 185524668

約数和(自身を除く): 103941608

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 24137, 48274, 96548, 120685, 241370, 313781, 482740, 627562, 1255124, 1568905, 3137810, 4079153, 6275620, 8158306, 16316612, 20395765, 40791530, 81583060]

約数ペア:

[(1, 81583060), (2, 40791530), (4, 20395765), (5, 16316612), (10, 8158306), (13, 6275620), (20, 4079153), (26, 3137810), (52, 1568905), (65, 1255124), (130, 627562), (169, 482740), (260, 313781), (338, 241370), (676, 120685), (845, 96548), (1690, 48274), (3380, 24137)]