27077780

素因数分解:

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

素因数の和:12539

約数の個数: 24

約数和(自身を含む): 57389640

約数和(自身を除く): 30311860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 12421, 24842, 49684, 62105, 124210, 248420, 1353889, 2707778, 5415556, 6769445, 13538890, 27077780]

約数ペア:

[(1, 27077780), (2, 13538890), (4, 6769445), (5, 5415556), (10, 2707778), (20, 1353889), (109, 248420), (218, 124210), (436, 62105), (545, 49684), (1090, 24842), (2180, 12421)]