7963640

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{757}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 18010080

約数和(自身を除く): 10046440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 757, 1052, 1315, 1514, 2104, 2630, 3028, 3785, 5260, 6056, 7570, 10520, 15140, 30280, 199091, 398182, 796364, 995455, 1592728, 1990910, 3981820, 7963640]

約数ペア:

[(1, 7963640), (2, 3981820), (4, 1990910), (5, 1592728), (8, 995455), (10, 796364), (20, 398182), (40, 199091), (263, 30280), (526, 15140), (757, 10520), (1052, 7570), (1315, 6056), (1514, 5260), (2104, 3785), (2630, 3028)]