2009596720

素因数分解:

$2^4\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{22651}}^1$

素因数の和:23773

約数の個数: 40

約数和(自身を含む): 4676731920

約数和(自身を除く): 2667135200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1109, 2218, 4436, 5545, 8872, 11090, 17744, 22180, 22651, 44360, 45302, 88720, 90604, 113255, 181208, 226510, 362416, 453020, 906040, 1812080, 25119959, 50239918, 100479836, 125599795, 200959672, 251199590, 401919344, 502399180, 1004798360, 2009596720]

約数ペア:

[(1, 2009596720), (2, 1004798360), (4, 502399180), (5, 401919344), (8, 251199590), (10, 200959672), (16, 125599795), (20, 100479836), (40, 50239918), (80, 25119959), (1109, 1812080), (2218, 906040), (4436, 453020), (5545, 362416), (8872, 226510), (11090, 181208), (17744, 113255), (22180, 90604), (22651, 88720), (44360, 45302)]