87985480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199967}}^1$

素因数の和:199989

約数の個数: 32

約数和(自身を含む): 215965440

約数和(自身を除く): 127979960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 199967, 399934, 799868, 999835, 1599736, 1999670, 2199637, 3999340, 4399274, 7998680, 8798548, 10998185, 17597096, 21996370, 43992740, 87985480]

約数ペア:

[(1, 87985480), (2, 43992740), (4, 21996370), (5, 17597096), (8, 10998185), (10, 8798548), (11, 7998680), (20, 4399274), (22, 3999340), (40, 2199637), (44, 1999670), (55, 1599736), (88, 999835), (110, 799868), (220, 399934), (440, 199967)]