13485740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9497}}^1$

素因数の和:9577

約数の個数: 24

約数和(自身を含む): 28721952

約数和(自身を除く): 15236212

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9497, 18994, 37988, 47485, 94970, 189940, 674287, 1348574, 2697148, 3371435, 6742870, 13485740]

約数ペア:

[(1, 13485740), (2, 6742870), (4, 3371435), (5, 2697148), (10, 1348574), (20, 674287), (71, 189940), (142, 94970), (284, 47485), (355, 37988), (710, 18994), (1420, 9497)]