8872160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2$

素因数の和:168

約数の個数: 72

約数和(自身を含む): 23192568

約数和(自身を除く): 14320408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 71, 80, 88, 110, 142, 160, 176, 220, 284, 352, 355, 440, 568, 710, 781, 880, 1136, 1420, 1562, 1760, 2272, 2840, 3124, 3905, 5041, 5680, 6248, 7810, 10082, 11360, 12496, 15620, 20164, 24992, 25205, 31240, 40328, 50410, 55451, 62480, 80656, 100820, 110902, 124960, 161312, 201640, 221804, 277255, 403280, 443608, 554510, 806560, 887216, 1109020, 1774432, 2218040, 4436080, 8872160]

約数ペア:

[(1, 8872160), (2, 4436080), (4, 2218040), (5, 1774432), (8, 1109020), (10, 887216), (11, 806560), (16, 554510), (20, 443608), (22, 403280), (32, 277255), (40, 221804), (44, 201640), (55, 161312), (71, 124960), (80, 110902), (88, 100820), (110, 80656), (142, 62480), (160, 55451), (176, 50410), (220, 40328), (284, 31240), (352, 25205), (355, 24992), (440, 20164), (568, 15620), (710, 12496), (781, 11360), (880, 10082), (1136, 7810), (1420, 6248), (1562, 5680), (1760, 5041), (2272, 3905), (2840, 3124)]