42164120

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5297}}^1$

素因数の和:5507

約数の個数: 32

約数和(自身を含む): 95364000

約数和(自身を除く): 53199880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 5297, 7960, 10594, 21188, 26485, 42376, 52970, 105940, 211880, 1054103, 2108206, 4216412, 5270515, 8432824, 10541030, 21082060, 42164120]

約数ペア:

[(1, 42164120), (2, 21082060), (4, 10541030), (5, 8432824), (8, 5270515), (10, 4216412), (20, 2108206), (40, 1054103), (199, 211880), (398, 105940), (796, 52970), (995, 42376), (1592, 26485), (1990, 21188), (3980, 10594), (5297, 7960)]