8305880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 20908800

約数和(自身を除く): 12602920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 439, 440, 473, 860, 878, 946, 1720, 1756, 1892, 2195, 2365, 3512, 3784, 4390, 4730, 4829, 8780, 9460, 9658, 17560, 18877, 18920, 19316, 24145, 37754, 38632, 48290, 75508, 94385, 96580, 151016, 188770, 193160, 207647, 377540, 415294, 755080, 830588, 1038235, 1661176, 2076470, 4152940, 8305880]

約数ペア:

[(1, 8305880), (2, 4152940), (4, 2076470), (5, 1661176), (8, 1038235), (10, 830588), (11, 755080), (20, 415294), (22, 377540), (40, 207647), (43, 193160), (44, 188770), (55, 151016), (86, 96580), (88, 94385), (110, 75508), (172, 48290), (215, 38632), (220, 37754), (344, 24145), (430, 19316), (439, 18920), (440, 18877), (473, 17560), (860, 9658), (878, 9460), (946, 8780), (1720, 4829), (1756, 4730), (1892, 4390), (2195, 3784), (2365, 3512)]