11308880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 29248128

約数和(自身を除く): 17939248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 181, 220, 284, 355, 362, 440, 568, 710, 724, 781, 880, 905, 1136, 1420, 1448, 1562, 1810, 1991, 2840, 2896, 3124, 3620, 3905, 3982, 5680, 6248, 7240, 7810, 7964, 9955, 12496, 12851, 14480, 15620, 15928, 19910, 25702, 31240, 31856, 39820, 51404, 62480, 64255, 79640, 102808, 128510, 141361, 159280, 205616, 257020, 282722, 514040, 565444, 706805, 1028080, 1130888, 1413610, 2261776, 2827220, 5654440, 11308880]

約数ペア:

[(1, 11308880), (2, 5654440), (4, 2827220), (5, 2261776), (8, 1413610), (10, 1130888), (11, 1028080), (16, 706805), (20, 565444), (22, 514040), (40, 282722), (44, 257020), (55, 205616), (71, 159280), (80, 141361), (88, 128510), (110, 102808), (142, 79640), (176, 64255), (181, 62480), (220, 51404), (284, 39820), (355, 31856), (362, 31240), (440, 25702), (568, 19910), (710, 15928), (724, 15620), (781, 14480), (880, 12851), (905, 12496), (1136, 9955), (1420, 7964), (1448, 7810), (1562, 7240), (1810, 6248), (1991, 5680), (2840, 3982), (2896, 3905), (3124, 3620)]