28212260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61331}}^1$

素因数の和:61363

約数の個数: 24

約数和(自身を含む): 61822656

約数和(自身を除く): 33610396

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 61331, 122662, 245324, 306655, 613310, 1226620, 1410613, 2821226, 5642452, 7053065, 14106130, 28212260]

約数ペア:

[(1, 28212260), (2, 14106130), (4, 7053065), (5, 5642452), (10, 2821226), (20, 1410613), (23, 1226620), (46, 613310), (92, 306655), (115, 245324), (230, 122662), (460, 61331)]