27486250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{1999}}^1$

素因数の和:2032

約数の個数: 40

約数和(自身を含む): 56232000

約数和(自身を除く): 28745750

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 625, 1250, 1375, 1999, 2750, 3998, 6875, 9995, 13750, 19990, 21989, 43978, 49975, 99950, 109945, 219890, 249875, 499750, 549725, 1099450, 1249375, 2498750, 2748625, 5497250, 13743125, 27486250]

約数ペア:

[(1, 27486250), (2, 13743125), (5, 5497250), (10, 2748625), (11, 2498750), (22, 1249375), (25, 1099450), (50, 549725), (55, 499750), (110, 249875), (125, 219890), (250, 109945), (275, 99950), (550, 49975), (625, 43978), (1250, 21989), (1375, 19990), (1999, 13750), (2750, 9995), (3998, 6875)]