8871760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2579}}^1$

素因数の和:2635

約数の個数: 40

約数和(自身を含む): 21114720

約数和(自身を除く): 12242960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2579, 3440, 5158, 10316, 12895, 20632, 25790, 41264, 51580, 103160, 110897, 206320, 221794, 443588, 554485, 887176, 1108970, 1774352, 2217940, 4435880, 8871760]

約数ペア:

[(1, 8871760), (2, 4435880), (4, 2217940), (5, 1774352), (8, 1108970), (10, 887176), (16, 554485), (20, 443588), (40, 221794), (43, 206320), (80, 110897), (86, 103160), (172, 51580), (215, 41264), (344, 25790), (430, 20632), (688, 12895), (860, 10316), (1720, 5158), (2579, 3440)]