985780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2143}}^1$

素因数の和:2175

約数の個数: 24

約数和(自身を含む): 2161152

約数和(自身を除く): 1175372

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 2143, 4286, 8572, 10715, 21430, 42860, 49289, 98578, 197156, 246445, 492890, 985780]

約数ペア:

[(1, 985780), (2, 492890), (4, 246445), (5, 197156), (10, 98578), (20, 49289), (23, 42860), (46, 21430), (92, 10715), (115, 8572), (230, 4286), (460, 2143)]