2017684520

素因数分解:

$2^3\times 5^1\times {\mathrm{2237}}^1\times {\mathrm{22549}}^1$

素因数の和:24797

約数の個数: 32

約数和(自身を含む): 4542021000

約数和(自身を除く): 2524336480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2237, 4474, 8948, 11185, 17896, 22370, 22549, 44740, 45098, 89480, 90196, 112745, 180392, 225490, 450980, 901960, 50442113, 100884226, 201768452, 252210565, 403536904, 504421130, 1008842260, 2017684520]

約数ペア:

[(1, 2017684520), (2, 1008842260), (4, 504421130), (5, 403536904), (8, 252210565), (10, 201768452), (20, 100884226), (40, 50442113), (2237, 901960), (4474, 450980), (8948, 225490), (11185, 180392), (17896, 112745), (22370, 90196), (22549, 89480), (44740, 45098)]