7228840

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1423}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 16404480

約数和(自身を除く): 9175640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 1423, 2540, 2846, 5080, 5692, 7115, 11384, 14230, 28460, 56920, 180721, 361442, 722884, 903605, 1445768, 1807210, 3614420, 7228840]

約数ペア:

[(1, 7228840), (2, 3614420), (4, 1807210), (5, 1445768), (8, 903605), (10, 722884), (20, 361442), (40, 180721), (127, 56920), (254, 28460), (508, 14230), (635, 11384), (1016, 7115), (1270, 5692), (1423, 5080), (2540, 2846)]