90837560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{479}}^1$

素因数の和:932

約数の個数: 64

約数和(自身を含む): 223948800

約数和(自身を除く): 133111240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 431, 440, 479, 862, 958, 1724, 1916, 2155, 2395, 3448, 3832, 4310, 4741, 4790, 5269, 8620, 9482, 9580, 10538, 17240, 18964, 19160, 21076, 23705, 26345, 37928, 42152, 47410, 52690, 94820, 105380, 189640, 206449, 210760, 412898, 825796, 1032245, 1651592, 2064490, 2270939, 4128980, 4541878, 8257960, 9083756, 11354695, 18167512, 22709390, 45418780, 90837560]

約数ペア:

[(1, 90837560), (2, 45418780), (4, 22709390), (5, 18167512), (8, 11354695), (10, 9083756), (11, 8257960), (20, 4541878), (22, 4128980), (40, 2270939), (44, 2064490), (55, 1651592), (88, 1032245), (110, 825796), (220, 412898), (431, 210760), (440, 206449), (479, 189640), (862, 105380), (958, 94820), (1724, 52690), (1916, 47410), (2155, 42152), (2395, 37928), (3448, 26345), (3832, 23705), (4310, 21076), (4741, 19160), (4790, 18964), (5269, 17240), (8620, 10538), (9482, 9580)]