11527840

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:785

約数の個数: 48

約数和(自身を含む): 27525960

約数和(自身を除く): 15998120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 661, 872, 1090, 1322, 1744, 2180, 2644, 3305, 3488, 4360, 5288, 6610, 8720, 10576, 13220, 17440, 21152, 26440, 52880, 72049, 105760, 144098, 288196, 360245, 576392, 720490, 1152784, 1440980, 2305568, 2881960, 5763920, 11527840]

約数ペア:

[(1, 11527840), (2, 5763920), (4, 2881960), (5, 2305568), (8, 1440980), (10, 1152784), (16, 720490), (20, 576392), (32, 360245), (40, 288196), (80, 144098), (109, 105760), (160, 72049), (218, 52880), (436, 26440), (545, 21152), (661, 17440), (872, 13220), (1090, 10576), (1322, 8720), (1744, 6610), (2180, 5288), (2644, 4360), (3305, 3488)]