28953760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16451}}^1$

素因数の和:16477

約数の個数: 48

約数和(自身を含む): 74626272

約数和(自身を除く): 45672512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 16451, 32902, 65804, 82255, 131608, 164510, 180961, 263216, 329020, 361922, 526432, 658040, 723844, 904805, 1316080, 1447688, 1809610, 2632160, 2895376, 3619220, 5790752, 7238440, 14476880, 28953760]

約数ペア:

[(1, 28953760), (2, 14476880), (4, 7238440), (5, 5790752), (8, 3619220), (10, 2895376), (11, 2632160), (16, 1809610), (20, 1447688), (22, 1316080), (32, 904805), (40, 723844), (44, 658040), (55, 526432), (80, 361922), (88, 329020), (110, 263216), (160, 180961), (176, 164510), (220, 131608), (352, 82255), (440, 65804), (880, 32902), (1760, 16451)]