13538890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12421}}^1$

素因数の和:12537

約数の個数: 16

約数和(自身を含む): 24595560

約数和(自身を除く): 11056670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 12421, 24842, 62105, 124210, 1353889, 2707778, 6769445, 13538890]

約数ペア:

[(1, 13538890), (2, 6769445), (5, 2707778), (10, 1353889), (109, 124210), (218, 62105), (545, 24842), (1090, 12421)]