28896560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4691}}^1$

素因数の和:4722

約数の個数: 80

約数和(自身を含む): 83780352

約数和(自身を除く): 54883792

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 4691, 6160, 9382, 18764, 23455, 32837, 37528, 46910, 51601, 65674, 75056, 93820, 103202, 131348, 164185, 187640, 206404, 258005, 262696, 328370, 361207, 375280, 412808, 516010, 525392, 656740, 722414, 825616, 1032020, 1313480, 1444828, 1806035, 2064040, 2626960, 2889656, 3612070, 4128080, 5779312, 7224140, 14448280, 28896560]

約数ペア:

[(1, 28896560), (2, 14448280), (4, 7224140), (5, 5779312), (7, 4128080), (8, 3612070), (10, 2889656), (11, 2626960), (14, 2064040), (16, 1806035), (20, 1444828), (22, 1313480), (28, 1032020), (35, 825616), (40, 722414), (44, 656740), (55, 525392), (56, 516010), (70, 412808), (77, 375280), (80, 361207), (88, 328370), (110, 262696), (112, 258005), (140, 206404), (154, 187640), (176, 164185), (220, 131348), (280, 103202), (308, 93820), (385, 75056), (440, 65674), (560, 51601), (616, 46910), (770, 37528), (880, 32837), (1232, 23455), (1540, 18764), (3080, 9382), (4691, 6160)]