55285960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32143}}^1$

素因数の和:32197

約数の個数: 32

約数和(自身を含む): 127290240

約数和(自身を除く): 72004280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 32143, 64286, 128572, 160715, 257144, 321430, 642860, 1285720, 1382149, 2764298, 5528596, 6910745, 11057192, 13821490, 27642980, 55285960]

約数ペア:

[(1, 55285960), (2, 27642980), (4, 13821490), (5, 11057192), (8, 6910745), (10, 5528596), (20, 2764298), (40, 1382149), (43, 1285720), (86, 642860), (172, 321430), (215, 257144), (344, 160715), (430, 128572), (860, 64286), (1720, 32143)]