55090540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 123125184

約数和(自身を除く): 68034644

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 311, 340, 521, 622, 1042, 1244, 1555, 2084, 2605, 3110, 5210, 5287, 6220, 8857, 10420, 10574, 17714, 21148, 26435, 35428, 44285, 52870, 88570, 105740, 162031, 177140, 324062, 648124, 810155, 1620310, 2754527, 3240620, 5509054, 11018108, 13772635, 27545270, 55090540]

約数ペア:

[(1, 55090540), (2, 27545270), (4, 13772635), (5, 11018108), (10, 5509054), (17, 3240620), (20, 2754527), (34, 1620310), (68, 810155), (85, 648124), (170, 324062), (311, 177140), (340, 162031), (521, 105740), (622, 88570), (1042, 52870), (1244, 44285), (1555, 35428), (2084, 26435), (2605, 21148), (3110, 17714), (5210, 10574), (5287, 10420), (6220, 8857)]