2179408520

素因数分解:

$2^3\times 5^1\times {\mathrm{54485213}}^1$

素因数の和:54485224

約数の個数: 16

約数和(自身を含む): 4903669260

約数和(自身を除く): 2724260740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 54485213, 108970426, 217940852, 272426065, 435881704, 544852130, 1089704260, 2179408520]

約数ペア:

[(1, 2179408520), (2, 1089704260), (4, 544852130), (5, 435881704), (8, 272426065), (10, 217940852), (20, 108970426), (40, 54485213)]