30454960

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1913}}^1$

素因数の和:2125

約数の個数: 40

約数和(自身を含む): 71200800

約数和(自身を除く): 40745840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1913, 1990, 3184, 3826, 3980, 7652, 7960, 9565, 15304, 15920, 19130, 30608, 38260, 76520, 153040, 380687, 761374, 1522748, 1903435, 3045496, 3806870, 6090992, 7613740, 15227480, 30454960]

約数ペア:

[(1, 30454960), (2, 15227480), (4, 7613740), (5, 6090992), (8, 3806870), (10, 3045496), (16, 1903435), (20, 1522748), (40, 761374), (80, 380687), (199, 153040), (398, 76520), (796, 38260), (995, 30608), (1592, 19130), (1913, 15920), (1990, 15304), (3184, 9565), (3826, 7960), (3980, 7652)]