8985880

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{811}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 20316240

約数和(自身を除く): 11330360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 811, 1108, 1385, 1622, 2216, 2770, 3244, 4055, 5540, 6488, 8110, 11080, 16220, 32440, 224647, 449294, 898588, 1123235, 1797176, 2246470, 4492940, 8985880]

約数ペア:

[(1, 8985880), (2, 4492940), (4, 2246470), (5, 1797176), (8, 1123235), (10, 898588), (20, 449294), (40, 224647), (277, 32440), (554, 16220), (811, 11080), (1108, 8110), (1385, 6488), (1622, 5540), (2216, 4055), (2770, 3244)]