28464920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64693}}^1$

素因数の和:64715

約数の個数: 32

約数和(自身を含む): 69869520

約数和(自身を除く): 41404600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 64693, 129386, 258772, 323465, 517544, 646930, 711623, 1293860, 1423246, 2587720, 2846492, 3558115, 5692984, 7116230, 14232460, 28464920]

約数ペア:

[(1, 28464920), (2, 14232460), (4, 7116230), (5, 5692984), (8, 3558115), (10, 2846492), (11, 2587720), (20, 1423246), (22, 1293860), (40, 711623), (44, 646930), (55, 517544), (88, 323465), (110, 258772), (220, 129386), (440, 64693)]