2009320

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 4561920

約数和(自身を除く): 2552600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 263, 382, 526, 764, 955, 1052, 1315, 1528, 1910, 2104, 2630, 3820, 5260, 7640, 10520, 50233, 100466, 200932, 251165, 401864, 502330, 1004660, 2009320]

約数ペア:

[(1, 2009320), (2, 1004660), (4, 502330), (5, 401864), (8, 251165), (10, 200932), (20, 100466), (40, 50233), (191, 10520), (263, 7640), (382, 5260), (526, 3820), (764, 2630), (955, 2104), (1052, 1910), (1315, 1528)]