77307320

素因数分解:

$2^3\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{1721}}^1$

素因数の和:2855

約数の個数: 32

約数和(自身を含む): 174197520

約数和(自身を除く): 96890200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1123, 1721, 2246, 3442, 4492, 5615, 6884, 8605, 8984, 11230, 13768, 17210, 22460, 34420, 44920, 68840, 1932683, 3865366, 7730732, 9663415, 15461464, 19326830, 38653660, 77307320]

約数ペア:

[(1, 77307320), (2, 38653660), (4, 19326830), (5, 15461464), (8, 9663415), (10, 7730732), (20, 3865366), (40, 1932683), (1123, 68840), (1721, 44920), (2246, 34420), (3442, 22460), (4492, 17210), (5615, 13768), (6884, 11230), (8605, 8984)]