105855640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21871}}^1$

素因数の和:21904

約数の個数: 48

約数和(自身を含む): 261807840

約数和(自身を除く): 155952200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 21871, 43742, 87484, 109355, 174968, 218710, 240581, 437420, 481162, 874840, 962324, 1202905, 1924648, 2405810, 2646391, 4811620, 5292782, 9623240, 10585564, 13231955, 21171128, 26463910, 52927820, 105855640]

約数ペア:

[(1, 105855640), (2, 52927820), (4, 26463910), (5, 21171128), (8, 13231955), (10, 10585564), (11, 9623240), (20, 5292782), (22, 4811620), (40, 2646391), (44, 2405810), (55, 1924648), (88, 1202905), (110, 962324), (121, 874840), (220, 481162), (242, 437420), (440, 240581), (484, 218710), (605, 174968), (968, 109355), (1210, 87484), (2420, 43742), (4840, 21871)]