87371240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198571}}^1$

素因数の和:198593

約数の個数: 32

約数和(自身を含む): 214457760

約数和(自身を除く): 127086520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 198571, 397142, 794284, 992855, 1588568, 1985710, 2184281, 3971420, 4368562, 7942840, 8737124, 10921405, 17474248, 21842810, 43685620, 87371240]

約数ペア:

[(1, 87371240), (2, 43685620), (4, 21842810), (5, 17474248), (8, 10921405), (10, 8737124), (11, 7942840), (20, 4368562), (22, 3971420), (40, 2184281), (44, 1985710), (55, 1588568), (88, 992855), (110, 794284), (220, 397142), (440, 198571)]