40552220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 89510400

約数和(自身を除く): 48958180

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 199, 230, 398, 443, 460, 796, 886, 995, 1772, 1990, 2215, 3980, 4430, 4577, 8860, 9154, 10189, 18308, 20378, 22885, 40756, 45770, 50945, 88157, 91540, 101890, 176314, 203780, 352628, 440785, 881570, 1763140, 2027611, 4055222, 8110444, 10138055, 20276110, 40552220]

約数ペア:

[(1, 40552220), (2, 20276110), (4, 10138055), (5, 8110444), (10, 4055222), (20, 2027611), (23, 1763140), (46, 881570), (92, 440785), (115, 352628), (199, 203780), (230, 176314), (398, 101890), (443, 91540), (460, 88157), (796, 50945), (886, 45770), (995, 40756), (1772, 22885), (1990, 20378), (2215, 18308), (3980, 10189), (4430, 9154), (4577, 8860)]