64106500

素因数分解:

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

素因数の和:128232

約数の個数: 24

約数和(自身を含む): 140009688

約数和(自身を除く): 75903188

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 128213, 256426, 512852, 641065, 1282130, 2564260, 3205325, 6410650, 12821300, 16026625, 32053250, 64106500]

約数ペア:

[(1, 64106500), (2, 32053250), (4, 16026625), (5, 12821300), (10, 6410650), (20, 3205325), (25, 2564260), (50, 1282130), (100, 641065), (125, 512852), (250, 256426), (500, 128213)]