13240975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 18146160

約数和(自身を除く): 4905185

約数列:

[1, 5, 11, 25, 55, 89, 275, 445, 541, 979, 2225, 2705, 4895, 5951, 13525, 24475, 29755, 48149, 148775, 240745, 529639, 1203725, 2648195, 13240975]

約数ペア:

[(1, 13240975), (5, 2648195), (11, 1203725), (25, 529639), (55, 240745), (89, 148775), (275, 48149), (445, 29755), (541, 24475), (979, 13525), (2225, 5951), (2705, 4895)]