26979880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 63037440

約数和(自身を除く): 36057560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 113, 127, 188, 226, 235, 254, 376, 452, 470, 508, 565, 635, 904, 940, 1016, 1130, 1270, 1880, 2260, 2540, 4520, 5080, 5311, 5969, 10622, 11938, 14351, 21244, 23876, 26555, 28702, 29845, 42488, 47752, 53110, 57404, 59690, 71755, 106220, 114808, 119380, 143510, 212440, 238760, 287020, 574040, 674497, 1348994, 2697988, 3372485, 5395976, 6744970, 13489940, 26979880]

約数ペア:

[(1, 26979880), (2, 13489940), (4, 6744970), (5, 5395976), (8, 3372485), (10, 2697988), (20, 1348994), (40, 674497), (47, 574040), (94, 287020), (113, 238760), (127, 212440), (188, 143510), (226, 119380), (235, 114808), (254, 106220), (376, 71755), (452, 59690), (470, 57404), (508, 53110), (565, 47752), (635, 42488), (904, 29845), (940, 28702), (1016, 26555), (1130, 23876), (1270, 21244), (1880, 14351), (2260, 11938), (2540, 10622), (4520, 5969), (5080, 5311)]