49999240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{54347}}^1$

素因数の和:54381

約数の個数: 32

約数和(自身を含む): 117391680

約数和(自身を除く): 67392440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 54347, 108694, 217388, 271735, 434776, 543470, 1086940, 1249981, 2173880, 2499962, 4999924, 6249905, 9999848, 12499810, 24999620, 49999240]

約数ペア:

[(1, 49999240), (2, 24999620), (4, 12499810), (5, 9999848), (8, 6249905), (10, 4999924), (20, 2499962), (23, 2173880), (40, 1249981), (46, 1086940), (92, 543470), (115, 434776), (184, 271735), (230, 217388), (460, 108694), (920, 54347)]