890249680

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{87623}}^1$

素因数の和:87763

約数の個数: 40

約数和(自身を含む): 2086152192

約数和(自身を除く): 1195902512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 87623, 175246, 350492, 438115, 700984, 876230, 1401968, 1752460, 3504920, 7009840, 11128121, 22256242, 44512484, 55640605, 89024968, 111281210, 178049936, 222562420, 445124840, 890249680]

約数ペア:

[(1, 890249680), (2, 445124840), (4, 222562420), (5, 178049936), (8, 111281210), (10, 89024968), (16, 55640605), (20, 44512484), (40, 22256242), (80, 11128121), (127, 7009840), (254, 3504920), (508, 1752460), (635, 1401968), (1016, 876230), (1270, 700984), (2032, 438115), (2540, 350492), (5080, 175246), (10160, 87623)]