8985560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5479}}^1$

素因数の和:5531

約数の個数: 32

約数和(自身を含む): 20714400

約数和(自身を除く): 11728840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 5479, 10958, 21916, 27395, 43832, 54790, 109580, 219160, 224639, 449278, 898556, 1123195, 1797112, 2246390, 4492780, 8985560]

約数ペア:

[(1, 8985560), (2, 4492780), (4, 2246390), (5, 1797112), (8, 1123195), (10, 898556), (20, 449278), (40, 224639), (41, 219160), (82, 109580), (164, 54790), (205, 43832), (328, 27395), (410, 21916), (820, 10958), (1640, 5479)]