8187080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 20995200

約数和(自身を除く): 12808120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 809, 920, 1012, 1265, 1618, 2024, 2530, 3236, 4045, 5060, 6472, 8090, 8899, 10120, 16180, 17798, 18607, 32360, 35596, 37214, 44495, 71192, 74428, 88990, 93035, 148856, 177980, 186070, 204677, 355960, 372140, 409354, 744280, 818708, 1023385, 1637416, 2046770, 4093540, 8187080]

約数ペア:

[(1, 8187080), (2, 4093540), (4, 2046770), (5, 1637416), (8, 1023385), (10, 818708), (11, 744280), (20, 409354), (22, 372140), (23, 355960), (40, 204677), (44, 186070), (46, 177980), (55, 148856), (88, 93035), (92, 88990), (110, 74428), (115, 71192), (184, 44495), (220, 37214), (230, 35596), (253, 32360), (440, 18607), (460, 17798), (506, 16180), (809, 10120), (920, 8899), (1012, 8090), (1265, 6472), (1618, 5060), (2024, 4045), (2530, 3236)]