49062140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 106777440

約数和(自身を除く): 57715300

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 641, 860, 890, 1282, 1780, 2564, 3205, 3827, 6410, 7654, 12820, 15308, 19135, 27563, 38270, 55126, 57049, 76540, 110252, 114098, 137815, 228196, 275630, 285245, 551260, 570490, 1140980, 2453107, 4906214, 9812428, 12265535, 24531070, 49062140]

約数ペア:

[(1, 49062140), (2, 24531070), (4, 12265535), (5, 9812428), (10, 4906214), (20, 2453107), (43, 1140980), (86, 570490), (89, 551260), (172, 285245), (178, 275630), (215, 228196), (356, 137815), (430, 114098), (445, 110252), (641, 76540), (860, 57049), (890, 55126), (1282, 38270), (1780, 27563), (2564, 19135), (3205, 15308), (3827, 12820), (6410, 7654)]