20161140560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22910387}}^1$

素因数の和:22910411

約数の個数: 40

約数和(自身を含む): 51135986016

約数和(自身を除く): 30974845456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22910387, 45820774, 91641548, 114551935, 183283096, 229103870, 252014257, 366566192, 458207740, 504028514, 916415480, 1008057028, 1260071285, 1832830960, 2016114056, 2520142570, 4032228112, 5040285140, 10080570280, 20161140560]

約数ペア:

[(1, 20161140560), (2, 10080570280), (4, 5040285140), (5, 4032228112), (8, 2520142570), (10, 2016114056), (11, 1832830960), (16, 1260071285), (20, 1008057028), (22, 916415480), (40, 504028514), (44, 458207740), (55, 366566192), (80, 252014257), (88, 229103870), (110, 183283096), (176, 114551935), (220, 91641548), (440, 45820774), (880, 22910387)]