204764080

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28759}}^1$

素因数の和:28861

約数の個数: 40

約数和(自身を含む): 481442400

約数和(自身を除く): 276678320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 28759, 57518, 115036, 143795, 230072, 287590, 460144, 575180, 1150360, 2300720, 2559551, 5119102, 10238204, 12797755, 20476408, 25595510, 40952816, 51191020, 102382040, 204764080]

約数ペア:

[(1, 204764080), (2, 102382040), (4, 51191020), (5, 40952816), (8, 25595510), (10, 20476408), (16, 12797755), (20, 10238204), (40, 5119102), (80, 2559551), (89, 2300720), (178, 1150360), (356, 575180), (445, 460144), (712, 287590), (890, 230072), (1424, 143795), (1780, 115036), (3560, 57518), (7120, 28759)]