4639180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2549}}^1$

素因数の和:2578

約数の個数: 48

約数和(自身を含む): 11995200

約数和(自身を除く): 7356020

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 2549, 5098, 10196, 12745, 17843, 25490, 33137, 35686, 50980, 66274, 71372, 89215, 132548, 165685, 178430, 231959, 331370, 356860, 463918, 662740, 927836, 1159795, 2319590, 4639180]

約数ペア:

[(1, 4639180), (2, 2319590), (4, 1159795), (5, 927836), (7, 662740), (10, 463918), (13, 356860), (14, 331370), (20, 231959), (26, 178430), (28, 165685), (35, 132548), (52, 89215), (65, 71372), (70, 66274), (91, 50980), (130, 35686), (140, 33137), (182, 25490), (260, 17843), (364, 12745), (455, 10196), (910, 5098), (1820, 2549)]