8584840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 21384000

約数和(自身を除く): 12799160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 179, 218, 220, 358, 436, 440, 545, 716, 872, 895, 1090, 1199, 1432, 1790, 1969, 2180, 2398, 3580, 3938, 4360, 4796, 5995, 7160, 7876, 9592, 9845, 11990, 15752, 19511, 19690, 23980, 39022, 39380, 47960, 78044, 78760, 97555, 156088, 195110, 214621, 390220, 429242, 780440, 858484, 1073105, 1716968, 2146210, 4292420, 8584840]

約数ペア:

[(1, 8584840), (2, 4292420), (4, 2146210), (5, 1716968), (8, 1073105), (10, 858484), (11, 780440), (20, 429242), (22, 390220), (40, 214621), (44, 195110), (55, 156088), (88, 97555), (109, 78760), (110, 78044), (179, 47960), (218, 39380), (220, 39022), (358, 23980), (436, 19690), (440, 19511), (545, 15752), (716, 11990), (872, 9845), (895, 9592), (1090, 7876), (1199, 7160), (1432, 5995), (1790, 4796), (1969, 4360), (2180, 3938), (2398, 3580)]