13508420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7589}}^1$

素因数の和:7687

約数の個数: 24

約数和(自身を含む): 28690200

約数和(自身を除く): 15181780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 7589, 15178, 30356, 37945, 75890, 151780, 675421, 1350842, 2701684, 3377105, 6754210, 13508420]

約数ペア:

[(1, 13508420), (2, 6754210), (4, 3377105), (5, 2701684), (10, 1350842), (20, 675421), (89, 151780), (178, 75890), (356, 37945), (445, 30356), (890, 15178), (1780, 7589)]