220131860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{846661}}^1$

素因数の和:846683

約数の個数: 24

約数和(自身を含む): 497837256

約数和(自身を除く): 277705396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 846661, 1693322, 3386644, 4233305, 8466610, 11006593, 16933220, 22013186, 44026372, 55032965, 110065930, 220131860]

約数ペア:

[(1, 220131860), (2, 110065930), (4, 55032965), (5, 44026372), (10, 22013186), (13, 16933220), (20, 11006593), (26, 8466610), (52, 4233305), (65, 3386644), (130, 1693322), (260, 846661)]