42211880

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5303}}^1$

素因数の和:5513

約数の個数: 32

約数和(自身を含む): 95472000

約数和(自身を除く): 53260120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 5303, 7960, 10606, 21212, 26515, 42424, 53030, 106060, 212120, 1055297, 2110594, 4221188, 5276485, 8442376, 10552970, 21105940, 42211880]

約数ペア:

[(1, 42211880), (2, 21105940), (4, 10552970), (5, 8442376), (8, 5276485), (10, 4221188), (20, 2110594), (40, 1055297), (199, 212120), (398, 106060), (796, 53030), (995, 42424), (1592, 26515), (1990, 21212), (3980, 10606), (5303, 7960)]