7888360

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1201

約数の個数: 32

約数和(自身を含む): 17856000

約数和(自身を除く): 9967640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 991, 995, 1592, 1982, 1990, 3964, 3980, 4955, 7928, 7960, 9910, 19820, 39640, 197209, 394418, 788836, 986045, 1577672, 1972090, 3944180, 7888360]

約数ペア:

[(1, 7888360), (2, 3944180), (4, 1972090), (5, 1577672), (8, 986045), (10, 788836), (20, 394418), (40, 197209), (199, 39640), (398, 19820), (796, 9910), (991, 7960), (995, 7928), (1592, 4955), (1982, 3980), (1990, 3964)]