22143280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 54309024

約数和(自身を除く): 32165744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 157, 164, 172, 205, 215, 314, 328, 344, 410, 430, 628, 656, 688, 785, 820, 860, 1256, 1570, 1640, 1720, 1763, 2512, 3140, 3280, 3440, 3526, 6280, 6437, 6751, 7052, 8815, 12560, 12874, 13502, 14104, 17630, 25748, 27004, 28208, 32185, 33755, 35260, 51496, 54008, 64370, 67510, 70520, 102992, 108016, 128740, 135020, 141040, 257480, 270040, 276791, 514960, 540080, 553582, 1107164, 1383955, 2214328, 2767910, 4428656, 5535820, 11071640, 22143280]

約数ペア:

[(1, 22143280), (2, 11071640), (4, 5535820), (5, 4428656), (8, 2767910), (10, 2214328), (16, 1383955), (20, 1107164), (40, 553582), (41, 540080), (43, 514960), (80, 276791), (82, 270040), (86, 257480), (157, 141040), (164, 135020), (172, 128740), (205, 108016), (215, 102992), (314, 70520), (328, 67510), (344, 64370), (410, 54008), (430, 51496), (628, 35260), (656, 33755), (688, 32185), (785, 28208), (820, 27004), (860, 25748), (1256, 17630), (1570, 14104), (1640, 13502), (1720, 12874), (1763, 12560), (2512, 8815), (3140, 7052), (3280, 6751), (3440, 6437), (3526, 6280)]