7782140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9049}}^1$

素因数の和:9101

約数の個数: 24

約数和(自身を含む): 16724400

約数和(自身を除く): 8942260

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 9049, 18098, 36196, 45245, 90490, 180980, 389107, 778214, 1556428, 1945535, 3891070, 7782140]

約数ペア:

[(1, 7782140), (2, 3891070), (4, 1945535), (5, 1556428), (10, 778214), (20, 389107), (43, 180980), (86, 90490), (172, 45245), (215, 36196), (430, 18098), (860, 9049)]