565526840

素因数分解:

$2^3\times 5^1\times {\mathrm{2609}}^1\times {\mathrm{5419}}^1$

素因数の和:8039

約数の個数: 32

約数和(自身を含む): 1273158000

約数和(自身を除く): 707631160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2609, 5218, 5419, 10436, 10838, 13045, 20872, 21676, 26090, 27095, 43352, 52180, 54190, 104360, 108380, 216760, 14138171, 28276342, 56552684, 70690855, 113105368, 141381710, 282763420, 565526840]

約数ペア:

[(1, 565526840), (2, 282763420), (4, 141381710), (5, 113105368), (8, 70690855), (10, 56552684), (20, 28276342), (40, 14138171), (2609, 216760), (5218, 108380), (5419, 104360), (10436, 54190), (10838, 52180), (13045, 43352), (20872, 27095), (21676, 26090)]