80745988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 156280320

約数和(自身を除く): 75534332

約数列:

[1, 2, 4, 17, 34, 37, 67, 68, 74, 134, 148, 268, 479, 629, 958, 1139, 1258, 1916, 2278, 2479, 2516, 4556, 4958, 8143, 9916, 16286, 17723, 32093, 32572, 35446, 42143, 64186, 70892, 84286, 128372, 168572, 301291, 545581, 602582, 1091162, 1187441, 1205164, 2182324, 2374882, 4749764, 20186497, 40372994, 80745988]

約数ペア:

[(1, 80745988), (2, 40372994), (4, 20186497), (17, 4749764), (34, 2374882), (37, 2182324), (67, 1205164), (68, 1187441), (74, 1091162), (134, 602582), (148, 545581), (268, 301291), (479, 168572), (629, 128372), (958, 84286), (1139, 70892), (1258, 64186), (1916, 42143), (2278, 35446), (2479, 32572), (2516, 32093), (4556, 17723), (4958, 16286), (8143, 9916)]