89008280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{51749}}^1$

素因数の和:51803

約数の個数: 32

約数和(自身を含む): 204930000

約数和(自身を除く): 115921720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 51749, 103498, 206996, 258745, 413992, 517490, 1034980, 2069960, 2225207, 4450414, 8900828, 11126035, 17801656, 22252070, 44504140, 89008280]

約数ペア:

[(1, 89008280), (2, 44504140), (4, 22252070), (5, 17801656), (8, 11126035), (10, 8900828), (20, 4450414), (40, 2225207), (43, 2069960), (86, 1034980), (172, 517490), (215, 413992), (344, 258745), (430, 206996), (860, 103498), (1720, 51749)]