87235780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{189643}}^1$

素因数の和:189675

約数の個数: 24

約数和(自身を含む): 191161152

約数和(自身を除く): 103925372

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 189643, 379286, 758572, 948215, 1896430, 3792860, 4361789, 8723578, 17447156, 21808945, 43617890, 87235780]

約数ペア:

[(1, 87235780), (2, 43617890), (4, 21808945), (5, 17447156), (10, 8723578), (20, 4361789), (23, 3792860), (46, 1896430), (92, 948215), (115, 758572), (230, 379286), (460, 189643)]