5654440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 14152320

約数和(自身を除く): 8497880

約数列:

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

約数ペア:

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