26928880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 69424128

約数和(自身を除く): 42495248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 431, 440, 568, 710, 781, 862, 880, 1136, 1420, 1562, 1724, 2155, 2840, 3124, 3448, 3905, 4310, 4741, 5680, 6248, 6896, 7810, 8620, 9482, 12496, 15620, 17240, 18964, 23705, 30601, 31240, 34480, 37928, 47410, 61202, 62480, 75856, 94820, 122404, 153005, 189640, 244808, 306010, 336611, 379280, 489616, 612020, 673222, 1224040, 1346444, 1683055, 2448080, 2692888, 3366110, 5385776, 6732220, 13464440, 26928880]

約数ペア:

[(1, 26928880), (2, 13464440), (4, 6732220), (5, 5385776), (8, 3366110), (10, 2692888), (11, 2448080), (16, 1683055), (20, 1346444), (22, 1224040), (40, 673222), (44, 612020), (55, 489616), (71, 379280), (80, 336611), (88, 306010), (110, 244808), (142, 189640), (176, 153005), (220, 122404), (284, 94820), (355, 75856), (431, 62480), (440, 61202), (568, 47410), (710, 37928), (781, 34480), (862, 31240), (880, 30601), (1136, 23705), (1420, 18964), (1562, 17240), (1724, 15620), (2155, 12496), (2840, 9482), (3124, 8620), (3448, 7810), (3905, 6896), (4310, 6248), (4741, 5680)]