128213000

素因数分解:

$2^3\times 5^3\times {\mathrm{128213}}^1$

素因数の和:128234

約数の個数: 32

約数和(自身を含む): 300020760

約数和(自身を除く): 171807760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 128213, 256426, 512852, 641065, 1025704, 1282130, 2564260, 3205325, 5128520, 6410650, 12821300, 16026625, 25642600, 32053250, 64106500, 128213000]

約数ペア:

[(1, 128213000), (2, 64106500), (4, 32053250), (5, 25642600), (8, 16026625), (10, 12821300), (20, 6410650), (25, 5128520), (40, 3205325), (50, 2564260), (100, 1282130), (125, 1025704), (200, 641065), (250, 512852), (500, 256426), (1000, 128213)]