80747128

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2789}}^1$

素因数の和:2860

約数の個数: 64

約数和(自身を含む): 192844800

約数和(自身を除く): 112097672

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 47, 56, 77, 88, 94, 154, 188, 308, 329, 376, 517, 616, 658, 1034, 1316, 2068, 2632, 2789, 3619, 4136, 5578, 7238, 11156, 14476, 19523, 22312, 28952, 30679, 39046, 61358, 78092, 122716, 131083, 156184, 214753, 245432, 262166, 429506, 524332, 859012, 917581, 1048664, 1441913, 1718024, 1835162, 2883826, 3670324, 5767652, 7340648, 10093391, 11535304, 20186782, 40373564, 80747128]

約数ペア:

[(1, 80747128), (2, 40373564), (4, 20186782), (7, 11535304), (8, 10093391), (11, 7340648), (14, 5767652), (22, 3670324), (28, 2883826), (44, 1835162), (47, 1718024), (56, 1441913), (77, 1048664), (88, 917581), (94, 859012), (154, 524332), (188, 429506), (308, 262166), (329, 245432), (376, 214753), (517, 156184), (616, 131083), (658, 122716), (1034, 78092), (1316, 61358), (2068, 39046), (2632, 30679), (2789, 28952), (3619, 22312), (4136, 19523), (5578, 14476), (7238, 11156)]