42928280

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5393}}^1$

素因数の和:5603

約数の個数: 32

約数和(自身を含む): 97092000

約数和(自身を除く): 54163720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 5393, 7960, 10786, 21572, 26965, 43144, 53930, 107860, 215720, 1073207, 2146414, 4292828, 5366035, 8585656, 10732070, 21464140, 42928280]

約数ペア:

[(1, 42928280), (2, 21464140), (4, 10732070), (5, 8585656), (8, 5366035), (10, 4292828), (20, 2146414), (40, 1073207), (199, 215720), (398, 107860), (796, 53930), (995, 43144), (1592, 26965), (1990, 21572), (3980, 10786), (5393, 7960)]