8706520

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{709}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 19681200

約数和(自身を除く): 10974680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 709, 1228, 1418, 1535, 2456, 2836, 3070, 3545, 5672, 6140, 7090, 12280, 14180, 28360, 217663, 435326, 870652, 1088315, 1741304, 2176630, 4353260, 8706520]

約数ペア:

[(1, 8706520), (2, 4353260), (4, 2176630), (5, 1741304), (8, 1088315), (10, 870652), (20, 435326), (40, 217663), (307, 28360), (614, 14180), (709, 12280), (1228, 7090), (1418, 6140), (1535, 5672), (2456, 3545), (2836, 3070)]